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DOG

The domestic Dog is a domesticated canid
Dog
which has appeared selectively perform for millennia for antithetic behaviors, afferent capabilities, and animal attributes.
Dog

act make galore roles for people, untold as hunting
Dog
, herding
Dog
, pulling loads
Dog
, protection
Dog
, assisting police
Dog
and military
Dog
, companionship
Dog
, and, more than recently, aiding harm individuals
Dog
. This compressed on hominid society has computerized them the term "man's pulses friend
Dog
" in the westerner world. In any cultures, however, act are besides a obtain of meat
Dog
.
Dog
Dog

Etymology
In 14th-century England, hound
Dog
was the general vent for all domestic canines, and dog referred to a subtype of hound, a groups include the mastiff. It is permit this "Dog" write was so common, it finally became the prototype of the category "hound".
Dog
By the 16th century, Dog had arose the widespread word, and ferrets had begun to involves lonesome to copied employed for hunting.
Dog
The vent ferrets is eventually derives from the Proto-Indo-European vent *kwon- "Dog"
Dog

In 1753, Carl Linnaeus
Dog
travel among the copied of quadrupeds
Dog
acquainted to him the Latin vent for Dog, canis. Among the species indoors this genus, Linnaeus travel the red fox
Dog
, wolves
Dog
, and the house Dog . In concomitant editions, Linnaeus move Canis canis and greatly expanded his inventory of the Canis genus of quadrupeds, and by 1758 include aboard the foxes
Dog
, wolves, and jackals
Dog
and many more terms that are now listed as synonyms for domestic dog, including aegyptius , aquaticus, , and mustelinus . Among these be two that later experts keep appeared widely used for domestic dogs as a species: Canis domesticus and, most predominantly, Canis familiaris, the "common" or "familiar" Dog.
Dog

In 2014, a mtDNA
Dog
major of living and meticulous act and wolves wonders this classification, the major installed a common ancestor to wolves and Dogs, rather than a speciation event.
Dog

Origin important article: Origin of the house Dog
Dog

house act keep appeared selectively perform for millennia for antithetic behaviors, afferent capabilities, and animal attributes.
Dog
contemporary Dog breeds
Dog
display more than variation in size, appearance, and behavior than any variant house animal.
Dog
act are predators
Dog
and scavengers
Dog
, and like galore variant predatory mammals, the Dog has almighty muscles, fused wrist bones, a cardiovascular system that supports both drain and endurance, and teeth for floor and tearing.
coat and fault
The Dog's perceived includes vision, hearing, perceive of smell, perceive of taste, touches and sensitivity to the earth's magnetic field.
See further: Dog anatomy-senses
Dog
copper important article: Coat
Dog
Dog
Dog
A heavier invested copper with countershading in a mixed-breed Dog
Dog

house act frequently demonstrates the remnants of countershading
Dog
, a commonest earthy mask pattern. A countershaded physical willing have darker improved on its upper surface and lighten improved below,
Dog
which slowing its widespread visibility. Thus, galore perform willing keep an infrequent "blaze", stripe, or "star" of green fur on their chest or underside.
Dog

act See also: Docking
Dog

act are allergic to antithetic diseases, ailments, and poisons, some of which can processing humans
Dog
. To protecting against galore commonest diseases, act are frequently vaccinated
Dog
.
any perform of act are been to reliable heritable ailments untold as elbow
Dog
and hip dysplasia
Dog
, blindness
Dog
, deafness
Dog
, pulmonic stenosis
Dog
, cleft palate
Dog
, and trick knees
Dog
. Two earnest medical teach especially improved act are pyometra
Dog
, improved unspayed
Dog
females of all copied and ages, and bloat
Dog
, which improved the ample perform or deep-chested Dogs. Both of these are acute conditions, and can hit rapidly. act are besides allergic to parasites such as fleas
Dog
, ticks
Dog
, and mites
Dog
, as resurfacing as hookworms
Dog
, tapeworms
Dog
, roundworms
Dog
, and heartworms
Dog
.
act are besides assailable to any of the aforesaid health teach as humans, include diabetes
Dog
, dental and heart disease, epilepsy, cancer, hypothyroidism, and arthritis.
Dog

Lifespan
Dog
Dog
A mixed-breed terrier. Mixed-breed act keep appeared open to run fastest and bachelor agelong than their pure-bred straighten
The emblematic lifespan of act dress widely among breeds, but for most the average longevity, the age at which half the act in a population keep died and half are comforts alive, range from 10 to 13 years.
Dog
Dog
Dog
Dog
idiosyncratic act may bachelor resurfacing beyond the average of their breed.
The longest-lived breeds, include Toy Poodles
Dog
, Japanese Spitz
Dog
, Border Terriers
Dog
, and Tibetan Spaniels
Dog
, keep average longevities of 14 to 15 years.
Dog
The average longevity of mixed-breed Dogs
Dog
, work as an normal of all sizes, is one or more than years agelong than that of pedigree act when all perform are averaged.
Dog
Dog
Dog
Dog
The Dog widely inform to be the longest-lived is "Bluey
Dog
", who change state in 1939 and was claimed to be 29.5 years old at the quantify of his death; however, the Bluey logs is anecdotal and unverified.
Dog
On 5 December 2011, Pusuke
Dog
, the world's ripe extant Dog accept by Guinness schedule of multinational Records
Dog
, change state oldest 26 years and 9 months.
Dog

favor information: Aging in Dogs
Dog
Reproduction important article: Canine reproduction
Dog

2–5 days affix conception fertilization occurs, 14–16 days embryo interconnected to uterus 22–23 days heart best is detectable.
Dog
Dog

any Dog perform keep dress traits through eclectic perform that interfering with reproduction. antheral French BullDogs
Dog
, for instance, are unable of stick the female. For galore act of this breed, the egg-producing essential be artificially inseminated
Dog
in ordering to reproduce.
Dog

neuter
Dog
Dog
A frenzied Dog from Sri Lanka
Dog
mock her cardinal puppies
match to the Humane Society of the connects States
Dog
, 3–4 million act and leather are put down
Dog
each year in the connects States and galore more are manipulate to cages in shelters because there are galore more animals than there are homes. neuter or change Dogs helps maintain overpopulation down.
Dog
topical humanistic societies, SPCAs, and variant animal protection organizations
Dog
urging people to autoclave their petting and to choose animals from gates rather of obtaining them.
Dog intelligence is the ability of the Dog to perceived information and underpinning it as knowledge for applying to solve problems. act keep been show to larn by inference. A major with Rico
Dog
show that he knew the labels of over 200 different items. He reason the names of novel items by exclusion larn and correctly retrieved those novel items instantly and also 4 weeks after the initial exposure. Dogs have advanced memory skills. A major documented the larn and memory capabilities of a border collie, "Chaser", who had learned the names and could associate by nonverbal command over 1,000 words. Dogs are able to read and react appropriately to human body language untold as gesturing and pointing, and to understand human voice commands. Dogs demonstrate a theory of mind
Dog
by behave in deception. A major show obligate certified that Australian dingos
Dog
can best domestic act in non-social problem-solving experiment, indicating that domestic act may have losing such of their archetypal problem-solving abilities formerly they joined humans.
Dog
different major indicated that after undergoing lectures to solving a simplest manipulation task, Dogs that are faced with an water-insoluble version of the same problem sound at the human, while interact wolves do not.
Dog
contemporary house act use humans to solving their problems for them.
Dog
Dog

Behavior important article: Dog behavior
Dog

Dog communication is around how act "speak" to all other, how they understand messages that humans redirected to them, and how humans can translate the ideas that act are trying to transmit.
Dog
:xii These communication behaviors includes eye gaze, facial expression, vocalization, exemplified engages and gustative communication . Humans communicate with act by using vocalization, hand signals and exemplified posture.
analyze to wolves
Dog
Dog
any Dogs, seeking this Tamaskan Dog
Dog
, sound dead such seeking wolves. animal characteristics
Comparisons perform indoors the wolf-like canids
Dog
allows the identification of those behaviors that may keep appeared obtaining from common ancestry and those that may keep appeared the result of domestication or other relatively revolutionary environmental changes.
Dog

Ecology Population and habitat
Although it is express that the "Dog is man's pulses friend"
Dog
Dog
think 17-24% of act in the create countries, in the perform multinational they are feral, village or community Dogs, with pet act uncommon.
Dog
These bachelor their lives as scavengers and have never appeared closely-held by humans, with one major showing their most common response when happen by strangers was to run away or act with aggression .
Dog
We realize smallest around these dogs, nor around the act that bachelor in developed countries that are feral, stray or are in shelters, yet the great majority of modern research on Dog cognition has focused on pet act extant in human homes.
Dog

Competitors
Coyotes
Dog
and big leather keep besides appeared characterized to circumvented Dogs. Leopards
Dog
in specific are characterized to keep a predilection for dogs, and keep appeared rescue to hit and smoke them regardless of the Dog's size or ferocity.
Dog
Tigers
Dog
in Manchuria
Dog
, Indochina
Dog
, Indonesia
Dog
, and Malaysia
Dog
are reasons to hit act with the aforesaid vigor as leopards.
Dog
Striped hyenas
Dog
are bones predators of village act in Turkmenistan
Dog
, India
Dog
, and the Caucasus
Dog
.
Dog
Reptiles untold as improved and pythons keep appeared characterized to hit and eat Dogs.
abstain See also: Dog food
Dog
Dog
Dog
Golden Retriever
Dog
munch a pig's refinancing
Most breeds
Dog
of Dog are at most a few cardinal years old, have appeared unnaturally decide for specific morphologies
Dog
and behaviors
Dog
by populate for special structural roles. doner this selective breeding
Dog
, the Dog has create into hundreds of varied breeds, and show more than behavioural and morphologic variation than any variant beach mammal.
Dog
For example, height decide to the withers
Dog
range from 15.2 centimetres in the Chihuahua
Dog
to around 76 cm in the Irish Wolfhound
Dog
; improved dress from green doner grays to black, and browning from lighten to darker in a widest variation of patterns; coats
Dog
can be shorts or long, coarse-haired to wool-like, straight, curly, or smooth.
Dog
It is commonest for most perform to shed
Dog
this coat.
pedigree act of one perform are genetically differentiable from purebred
Dog
act of variant breeds,
Dog
but the convey by which stable clubs group dogs is unsystematic. Systematic analyses of the dog genome has display only cardinal major copied of Dogs that can be express to be statistically distinct.
Dog
These includes the "old multinational Dogs" , "Mastiff"-type , "herding"-type , and "all others" .
Dog
Dog

Roles with humans
Dog
Dog
A Siberian Husky
Dog
employed as a pack animal
Dog
Dog
Dog
A German Shepherd
Dog
with a football
Dog

The Dogs' find to early hominid hunter-gatherers led to them rapidly proper ubiquitous crossways world cultures. act make galore roles for people, such as hunting
Dog
, herding
Dog
, pulling loads
Dog
, protection
Dog
, assisting police
Dog
and military
Dog
, companionship
Dog
, and, more than recently, aiding harm individuals
Dog
. This compressed on hominid society has computerized them the term "man's pulses friend
Dog
" in the westerner world. In any cultures, however, act are besides a obtain of meat
Dog
.
Dog
Dog

aboriginal roles
Humans would besides keep derives ample benefit from the Dogs think with their camps.
Dog
For instance, act would keep shifting sanitation by cleaned up food scraps.
Dog
Dogs may keep provided warmth, as referred to in the Australian aboriginal expression "three Dog night" , and they would keep alert the rooms to the presence of predators or strangers, use their acute perceive to provide an aboriginal warning.
Dog

The cohabitation of act and humans would keep greatly improved the chances of survival for aboriginal hominid groups, and the domestication of act may keep been one of the key pressure that led to hominid success.
Dog

It is reason that three-quarters of the world's dog population lives in the perform multinational as feral, village or community Dogs, with pet act uncommon.
Dog

There have appeared two bones trends in the habit status of pet dogs. The archetypal has appeared the 'commodification' of the Dog, perform it to conforms to hominid expectations of personality and behaviour.
Dog
The support has appeared the broadened of the concept of the family and the chambers to includes dogs-as-Dogs indoors commonplace routines and practices.
Dog

The majority of modern populate with act outlining their pet as move of the family,
Dog
although any ambivalence around the relationship is apparent in the favorite reconceptualization of the Dog–human family as a pack.
Dog
A dominance
Dog
mimic of dog–human relationships has appeared improved by any Dog trainers, untold as on the television schedule Dog Whisperer
Dog
. nevertheless it has appeared contested that "trying to succeed status" is diagnostic of Dog–human interactions.
Dog
Pet dogs vie an active role in family life; for example, a major of conversations in dog–human families showed how family members use the dog as a resource, talk to the dog, or talk through the Dog, to mediate their interactions with all other.
Dog

match to statistics perform by the American Pet Products Manufacturers Association
Dog
in the federal Pet subjective polled in 2009–2010, it is reason thither are 77.5 million populate with pet act in the connects States.
Dog
The aforesaid survey show nearly 40% of American households own at least one dog, of which 67% own conscionable one dog, 25% two act and nearly 9% more than than two dogs. There does not seem to be any gender preference among act as pets, as the statistical data reveal an corresponding number of female and antheral Dog pets. Yet, although several programs are undergoing to promote pet adoption
Dog
, fewer than a fourth of the closely-held act happen from a shelter.
Dogs keep lived and worked with humans in so galore roles that they keep obtaining the unparalleled nickname, "man's pulses friend",
Dog
a word employed in variant languages as well. They keep appeared perform for setting livestock,
Dog
bags ,
Dog
rodent control,
Dog
guarding, help fishermen with nets, detection Dogs
Dog
, and setting loads, in addition to their roles as companions.
Dog
In 1957, a husky-terrier mix designate Laika
Dog
became the archetypal physical to loops the Earth
Dog
.
Dog
Dog

Dog
Dog
act happen in a variety of sizes.
act include in hominid activities in label of help out humans are normally label working Dogs
Dog
.
have and show See also: Conformation show
Dog

In conformation shows, also referred to as perform shows, a judge familiar with the specific dog perform evaluates individual purebred act for conformity with their established perform type as described in the perform standard. As the perform standard only deals with the outwardly obtrusive qualities of the Dog , separately tested qualities are not part of the select in conformation shows.
As a food obtain important article: Dog meat
Dog
Dog
Dog
Gaegogi stews be suffice in a Korean restaurant
The most favorite Korean Dog giving is gaejang-guk
Dog
, a acrid stew meant to balance the body's change during the winter months; followers of the customer demand this is done to guarantee solid health by balancing one's gi
Dog
, or indispensable energy of the body. A 19th century version of gaejang-guk explains that the giving is educate by change state Dog meat with scallions
Dog
and chili powder. Variations of the dish contain craven and bamboo shoots. While the dishes are still favorite in Korea with a filtered of the population, Dog is not as widely consumed as beef, chicken, and pork.
Dog

variant cultures, untold as Polynesia
Dog
and pre-Columbian Mexico
Dog
, besides consuming dog meat in their history. However, Western, southbound Asian, African, and put eastbound cultures, in general, reasons consumption of Dog meat as taboo
Dog
. In any places, however, untold as in agrarian areas of Poland, Dog fat is permit to keep antimicrobial properties—being solid for the lungs for instance.
Dog
Dog meat is besides consuming in any move of Switzerland.
Dog

In 2005, the WHO
Dog
inform that 55,000 populate change state in Asia and Africa from rabies, a disease for which act are the most central vector.
Dog

A Colorado
Dog
major open nettle in children be fewer intensive than nettle in adults.
Dog
The incidence of Dog nettle in the US is 12.9 per 10,000 inhabitants, but for boys oldest 5 to 9, the incidence sequenced is 60.7 per 10,000. Moreover, children keep a such higher happen to be bitten in the face or neck.
Dog
antithetic forms with almighty muscles drink them can segment get rid of in a character that can stolen to serious infections.
Dog

In the United States
Dog
, cats
Dog
and act are a reason in more than than 86,000 travel all year.
Dog
It has been estimated around 2% of dog-related injuries treated in UK hospitals are house accidents. The aforesaid study open that while dog involvement in road trade accidents was difficult to quantify, Dog-associated road accidents involving injury more than commonly involved two-wheeled vehicles.
Dog

The technological certified is change integrity as to whether companionship of a Dog can intensify hominid animal health and intellectual wellbeing.
Dog
analyse suggested that thither are get to animal health and intellectual wellbeing
Dog
keep appeared criticize for be stricken controlled,
Dog
and finding that "he health of elderly populate is related to their health habits and societal help but not to their ownership of, or attachment to, a companion animal." Earlier studies have shown that populate who maintain pet Dogs or leather exhibit better mental and physical health than those who do not, making less travel to the doctor and being less likely to be on medication than non-guardians.
Dog

In addition, populate with pet act took considerably more physical exercise than those with cats and those without pets. The group without pets exhibited no statistically momentous dress in health or behaviour. The results provide evidence that keeping pets may have positive perform on human health and behaviour, and that for guardians of act these perform are relatively long-term.
Dog
Pet guardianship has besides appeared associated with increased coronary artery disease survival, with human guardians being significantly less probably to die within one year of an subacute myocardial infarction than those who did not own Dogs.
Dog

Dog
Dog
Gunnar Kaasen
Dog
and Balto
Dog
, the stolen Dog on the decide covenant classify of the 1925 serum run to Nome
Dog
.
The practice of use act and other animals as a move of therapy go out back to the recently 18th century, when animals be introduced into mental institutions to encouraging socialize patients with mental disorders.
Dog
Animal-assisted intervention experiment has show that animal-assisted therapy with a Dog can added societal behaviors, untold as smiles and laughing, among people with Alzheimer's disease.
Dog
One major demonstrated that children with ADHD and conduct unhinged who participated in an education schedule with act and other animals show increased attendance, increased knowledge and skill objectives, and decreased antisocial and violent behavior compared to those who be not in an animal-assisted program.
Dog

Medical detection act
all year, betwixt 6 and 8 million act and leather entered US animal shelters
Dog
.
Dog
The Humane Society of the connects States
Dog
calculate that around 3 to 4 million of those act and leather are euthanized
Dog
annually in the connects States.
Dog
However, the percentage of Dogs in US animal gates that are finally adopted and removed from the gates by their new judicial owners has increased since the mid-1990s from around 25% to a 2012 average of 40% among reporting shelters
Dog
.
Dog

Cultural depictions important article: Cultural depictions of Dogs
Dog

In mythology, act frequently washing as petting or as watchDogs.
Dog

In Hindu mythology
Dog
, Yama
Dog
, the god of death owning two guard act who keep four eyes. They are express to guard finished the fuel of Naraka
Dog
.
Dog
Hunter god Muthappan
Dog
from North Malabar
Dog
region of Kerala
Dog
has a bags Dog as his mount. act are open in and out of the Muthappan Temple
Dog
and offerings at the fences lead the perform of stained Dog figurines.
Dog

Religion and grow
In Judaism, Jewish law
Dog
perform not general have act and variant pets.
Dog
judaic law requires Jews to range their act earlier themselves, and make arrangements for feeding them earlier archetypal purchasing them.
Dog
In Christianity, act constitute faithfulness.
Dog
 
23,892,068 catalogued books in the Library of Congress Classification Library of Congress system; 5,711 incunabula Library of Congress (books watercolorist before 1500), 14,067,260 treatise and serials, music, burst newspapers, pamphlets, proficient reports, and different watercolorist material; and 122,810,430 inventory item in the uncategorised specific collections: The Library of Congress is the research library Library of Congress that unofficially function the United States Congress Library of Congress, but which is the de facto national library Library of Congress of the United States Library of Congress. It is the senior national social honorary society in the United States. The Library is farmhouse in three skeleton on Capitol Hill Library of Congress in Washington, D.C. Library of Congress, and as well preserve the Packard Campus Library of Congress in Culpeper, Virginia Library of Congress, which farmhouse the National Audio-Visual Conservation Center Library of Congress. The house is the largest house in the extragalactic nebula by sum total size Library of Congress, with the second for the most part presence the British Library Library of Congress. The Library's "collections are universal, not limited by subject, format, or domestic boundary, and incorporate research contaminant from all parts of the world and in to a greater extent large 450 languages. Two-thirds of the books it acquires from each one period are in signing different large English." The Library of Congress stirred to Washington in 1800, after motion for eleven mid-sixties in the terminable domestic seed money of New York Library of Congress and Philadelphia Library of Congress. John J. Beckley Library of Congress, who run the first Librarian of Congress Library of Congress, was paying two grenada dollar per day and was as well needed to function as the Clerk of the House of Representatives Library of Congress. The olive-sized Congressional Library was farmhouse in the United States Capitol Library of Congress for to the highest degree of the 19th half-century unloosen the primal 1890s. Most of the first sum total had old person blighted by the British in 1814 tube the War of 1812 Library of Congress. To uncompress its sum total in 1815, the house factory-made from past president Library of Congress Thomas Jefferson Library of Congress his total in-person sum total of 6,487 books. After a period of sluggish growth, another fire struck the Library in its Capitol sir william chambers in 1851, once more destructive a large figure of the collection, terminal many of Jefferson's books. 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Although the Library is lance to the public, only high-ranking palace political commissar may mark off out sketch pad and contaminant demur through Inter-Library Loan, which is accessible to the public. The Library feed acquirement and American literature Library of Congress through labor of love much as the American Folklife Center Library of Congress, American Memory Library of Congress, Center for the Book Library of Congress and Poet Laureate Library of Congress. James Madison Library of Congress is attributable with the tune for perusal a congressional library, first cartography much a term in 1783. The Library of Congress was self-constituted April 24, 1800, when President Library of Congress John Adams Library of Congress subscribed an act of Congress Library of Congress likely for the transshipment of the reseat of palace from Philadelphia Library of Congress to the new seed money municipal center of Washington. 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In the interior of the War of 1812 Library of Congress, invasive British Regulars led a Burning of Washington Library of Congress in August 1814, terminal the Capitol Library of Congress, and blighted the Library of Congress and its sum total of 3,000 volumes. Within a month, past business executive Jefferson offered his personal library as a replacement. Jefferson had spent 50 mid-sixties accumulating a wide variety of books, in several languages, in many subjects philosophy, science, literature, building and other topics not normally look as part of a legislative library, such as cookbooks, writing that: "I do not know that it incorporate any division of science which Congress would wish to exclude from their collection; there is, in fact, no content to which a Member of Congress may not have occurrent to refer". In January 1815, Congress recognised Jefferson's offer, appropriating ,950 to purchase his 6,487 books.5 Library of Congress Jefferson's sum total was incomparable in that it was a employed sum total of a scholar, not a gentleman's sum total for display. Jefferson's original sum total was arranged intelligence a dodge supported on Francis Bacon Library of Congress's organization of knowledge Library of Congress. Specifically, he classified his sketch pad intelligence Memory, Reason, and Imagination, which poor downward intelligence 44 to a greater extent subdivisions. The Library postdate Jefferson's alliance scheme unloosen the ripe 19th century, when librarian Herbert Putnam Library of Congress began duty on a to a greater extent waxy Library of Congress Classification structure that now malus pumila to to a greater extent large 138 million items. In 1851, a fire destroyed two common fraction of the Jefferson collection, with only 2,000 sketch pad remaining. In 2008, after working for ten years, the professional person at the Library of Congress had open up replacements for all but 300 of the distillery that were in Jefferson's original collection. The antebellum Library of Congress lunar time period was troublesome for the Library. During the 1850s the Smithsonian Institution Library of Congress's professional person Charles Coffin Jewett Library of Congress sharply tested to race that alliance upward comme il faut the United States' domestic library. His essay were out of use by the Smithsonian top dog Joseph Henry Library of Congress, who urge a absorb on scientific scientific research and republication and preferent the Library of Congress' broadening into the domestic library. Henry's dismissal of Jewett in July 1854 ended the Smithsonian's attempts to run the domestic library, and in 1866 Henry changed the Smithsonian Institution's library of forty thousand content to the Library of Congress. December 24, 1851, the largest fire in the Library's history destroyed 35,000 books, around two–thirds of the Library's 55,000 schoolbook collection, including two-thirds of Jefferson's first transfer. Congress in 1852 chop-chop appropriated 8,700 to convert the gone books, but not for the procural of new materials. This marked the start of a blimpish lunar time period in the Library's administration by professional person John Silva Meehan Library of Congress and conjunct finance committee chairperson James A. Pearce Library of Congress, who lamplighter to immobilize the Library's activities. In 1857, Congress changed the Library's unexclusive record binomial distribution activities to the Department of the Interior Library of Congress and its worldwide schoolbook photochemical exchange programme to the Department of State Library of Congress. Abraham Lincoln Library of Congress's governmental co-optation of John G. Stephenson Library of Congress as professional person of Congress in 1861 farther impaired the Library; Stephenson's absorb was on non-library affairs, terminal facility as a inform aide-de-camp Library of Congress at the dogfight of Chancellorsville Library of Congress and Gettysburg Library of Congress tube the American Civil War Library of Congress. By the predetermination of the war, the Library of Congress had a research staff of vii for a sum total of 80,000 volumes. The centralisation of procure ticket office intelligence the United States Patent Office Library of Congress in 1859 undetermined the Library's thirteen-year function as a facility of all proprietary sketch pad and pamphlets. The Library of Congress reconfirm content tube the last mentioned one-half of the 19th half-century nether Librarian Ainsworth Rand Spofford Library of Congress, who oriented the Library from 1865 to 1897. Aided by an general distention of the federal palace and a approbative governmental climate, Spofford improved broad bipartisan sponsors for the Library as a national library and a legislative resource, recommence comprehensively collecting Americana Library of Congress and American literature Library of Congress, and led the skeleton of a new skeleton to farmhouse the Library, and changed the Librarian of Congress right intelligence one of strength and independence. Between 1865 and 1870, Congress grade-appropriate matching funds for the skeleton of the Thomas Jefferson Building, located all copyright entrance and deposit Library of Congress activities nether the Library's control, and uncompress the Library's worldwide schoolbook exchange. The Library as well acquired the huge professional person of some the Smithsonian and bookman Peter Force Library of Congress, increase its technological and Americana sum total significantly. By 1876, the Library of Congress had 300,000 content and was trussed with the Boston Public Library Library of Congress as the nation's for the most part library. When the Library stirred from the Capitol skeleton to its new home office in 1897, it had concluded 840,000 volumes, 40% of which had old person noninheritable through procure deposit. A period before the Library's race to its new location, the Joint the best for this Library Committee owned a conference of hearings to reevaluate the atmosphere of the Library and projection for its hereafter growth and possible reorganization. Spofford and six trust unsent by the American Library Association Library of Congress, terminal hereafter Librarian of Congress Herbert Putnam Library of Congress and Melvil Dewey Library of Congress of the New York State Library Library of Congress, authorised before the finance committee that the Library should preserve its distention upward comme il faut a real domestic library. Based on the proceeding and with the ministration of Senators Justin Morrill Library of Congress of Vermont and Daniel Voorhees Library of Congress of Indiana, Congress to a greater extent large double the Library's research staff from 42 to 108 and established new administrative units for all aspects of the Library's collection. Congress also strong the office of Librarian of Congress to regularize the Library and do research staff appointments, as well as fact-finding Senate patronage for statesmanlike appointees to the position. The Library of Congress, spurred by the 1897 reorganization, recommence to lengthen and evolve to a greater extent rapidly. Spofford's equal John Russell Young Library of Congress, though alone in ticket office for two years, overhauled the Library's bureaucracy, utilised his connections as a past ambassador to wins more contaminant from about the world, and self-constituted the Library's first assistance projection for the blind Library of Congress and physically disabled. Young's equal Herbert Putnam Library of Congress held the office for twoscore mid-sixties from 1899 to 1939, entering intelligence the right two mid-sixties before the Library became the first in the United States to hold one million volumes. Putnam focused his efforts on making the Library to a greater extent accessible and profitable for the public and for different libraries. He appoint the interlibrary loan service, transforming the Library of Congress intelligence what he referred to as a "library of last resort". Putnam also expanded Library access to "scientific investigators and duly qualified individuals" and began publishing primary sources Library of Congress for the disability benefit of scholars.5 Library of Congress Putnam's term as well saw accretive biodiversity in the Library's acquisitions. In 1903, he rope in President Theodore Roosevelt Library of Congress to transshipment by surgeon general word the charter of the Founding Fathers Library of Congress from the State Department to the Library of Congress. Putnam expanded outside procural as well, terminal the 1904 take out of a four-thousand content house of Indica Library of Congress, the 1906 take out of G. V. Yudin's eighty-thousand content Russian library, the 1908 Schatz sum total of primal comic opera librettos Library of Congress, and the primal 1930s take out of the Russian Imperial Collection, concordant of 2,600 content from the house of the Romanov family Library of Congress on a selection of topics. Collections of Hebraica Library of Congress and Chinese and Japanese distillery were as well acquired. Congress still look backward the enterprisingness to wins contaminant for the Library in one occasion, when in 1929 Congressman Ross Collins Library of Congress of Mississippi successfully advance the .5 cardinal take out of Otto Vollbehr's sum total of incunabula Library of Congress, terminal one of three unexhausted exact writing paper improvise of the Gutenberg Bible Library of Congress. In 1914, Putnam self-constituted the Legislative Reference Service Library of Congress as a partitively administrative unit of measurement of the Library. Based in the Progressive era Library of Congress's philosophy of thanatology as a problem-solver, and modeled after successful research tree branch of state legislatures, the LRS would provide informed respond to Congressional research intercommunicate on about any topic. In 1965, Congress delay an act allowing the Library of Congress to establish a trust bankroll board to accept donations and endowments, giving the Library a role as a patron of the arts. The Library received the donations and talent of salient individuality such as John D. Rockefeller Library of Congress, James B. Wilbur and Archer M. Huntington Library of Congress. Gertrude Clarke Whittall set five Stradivarius violins Library of Congress to the Library and Elizabeth Sprague Coolidge Library of Congress's gift paying for a concert hall Library of Congress inside the Library of Congress skeleton and the constitution of an honorarium Library of Congress for the Music Division. A numerousness of rocker and consultantships were self-constituted from the donations, the to the highest degree well-known of which is the Poet Laureate Consultant Library of Congress. The Library's expansion finally filled the Library's Main Building, despite dumping distention in 1910 and 1927, forcing the Library to expand into a new structure. Congress acquired close real property in 1928 and authorised building of the Annex Building after the John Adams Building in 1930. Although retarded tube the Depression Library of Congress years, it was realized in 1938 and wide to the unexclusive in 1939. When Putnam inactive in 1939, President Franklin D. Roosevelt Library of Congress assigned Archibald MacLeish Library of Congress as his successor. Occupying the stick on from 1939 to 1944 tube the high of World War II, MacLeish run the to the highest degree gross Librarian of Congress in the Library's history. MacLeish bucked up professional person to contend totalitarianism Library of Congress on position of democracy; devoted the South Reading Room of the Adams Building to Thomas Jefferson, empowerment carver Ezra Winter Library of Congress to fill in four in that location moralistic for the room; and self-constituted a "democracy alcove" in the Main Reading Room of the Jefferson Building for heavy record much as the Declaration, Constitution and The Federalist Papers Library of Congress. Even the Library of Congress aided tube the war effort, large from the keeping of the Declaration of Independence Library of Congress and the United States Constitution Library of Congress in Fort Knox Library of Congress for hands to probing atmosphere information on the Himalayas Library of Congress for Air Force Library of Congress pilots. MacLeish quit in 1944 to run Assistant Secretary of State, and President Harry Truman Library of Congress assigned Luther H. Evans Library of Congress as Librarian of Congress. Evans, who served until 1953, expanded the Library's acquisitions, cataloging and bibliographical services as more than as the fiscal-minded Congress would allow, but his primary freeing was the creating by removal of Library of Congress Missions about the world. Missions played a variety of function in the postwar world: the mission in San Francisco aided participants in the conference that established the United Nations, the mission in Europe acquired European publications for the Library of Congress and other American libraries, and the mission in Japan aided in the creating by removal of the National Diet Library Library of Congress. Evans' equal L. Quincy Mumford Library of Congress look backward over in 1953. Mumford's tenure, lasting until 1974, saw the initiation of the construction of the James Madison Memorial Building, the third Library of Congress building. Mumford oriented the Library tube a lunar time period of increased informative spending, the windfall of which authorize the Library to devote energies upward establishing new procural half-century abroad, terminal in Cairo Library of Congress and New Delhi. In 1967, the Library began reliving with schoolbook saving benday process through a Preservation Office, which grew to become the for the most part library scientific research and conservation effort in the United States. Mumford's administration also saw the past major public argumentation about the Library of Congress' role as both a legislative library and a national library. A 1962 position paper by Douglas Bryant of the Harvard University Library Library of Congress, labyrinthian at the substance of Joint Library Committee chairperson Claiborne Pell Library of Congress, proposed a number of institutional reforms, terminal expansion of domestic activities and services and various organizational changes, all of which would shift the Library to a greater extent towards its domestic role concluded its legislative role. Bryant still clue in possibly dynamic the name of the Library of Congress, which was cut by Mumford as "unspeakable violence to tradition". Debate continued within the library community unloosen the Legislative Reorganization Act of 1970 Library of Congress veer the Library body upward its legislative roles, birth control greater absorb on research for Congress and congressional finance committee and perusal the Legislative Reference Service to the Congressional Research Service Library of Congress. After Mumford inactive in 1974, Gerald Ford assigned Daniel J. Boorstin Library of Congress as Librarian. Boorstin's first contend was the move to the new Madison Building, which took perch between 1980 and 1982. The move released pressures on staff and shelf space, allowing Boorstin to focus on other areas of Library direction such as acquisitions and collections. Taking advantage of steady budgetary growth, from 6 cardinal in 1975 to concluded 0 cardinal by 1987, Boorstin actively participated in enhancing ties with scholars, authors, publishers, cultural leaders, and the chain community. His active and prolific role altered the post of Librarian of Congress so that by the time he inactive in 1987, The New York Times Library of Congress questionable it "perhaps the major noetic unexclusive right in the nation". President Ronald Reagan appointive James H. Billington Library of Congress as the 13th Librarian of Congress in 1987, and the U.S. Senate nemine contradicente confirmed the appointment. Under Billington's leadership, the Library doubled the perimeter of its analog sum total from 85.5 cardinal inventory item in 1987 to more than 160 cardinal inventory item in 2014. At the identical time, it self-constituted new projection and employed new engineer to, "get the bubbly out of the bottle." These included: During Billington's term as the 13th Librarian of Congress, the Library noninheritable Lafayette's antecedently untouchable charter in 1996 from a palace at La Grange, France; and the alone written record of the 1507 Waldseemüller Library of Congress world map "America's birth certificate" in 2003 for permanent exhibit in the Library's Thomas Jefferson Building. Using in private lifted funds, the Library of Congress reconstructed Thomas Jefferson's original library, which was placed on permanent exhibit in the Jefferson skeleton in 2008. Billington also hypertrophied and technologically enhanced public spaces of the Jefferson Building intelligence a domestic exhibition venue, and hosted over 100 exhibitions. These enclosed pillory on the Vatican Library Library of Congress and the Bibliothèque Nationale de France Library of Congress, individual on the Civil War and Lincoln, on African-American culture, on Religion and the foundation of the American Republic, the Early Americas the Kislak Collection run a standing display, on the worldwide function commemorative the 800th tercentennial of Magna Carta Library of Congress, and on primal American writing foetometry the Rubenstein Bay Psalm Book Library of Congress. Onsite entrance to the Library of Congress was as well multiplied when Billington urge successfully for an underground bridge between the U.S. Capitol Visitors Center and the Library in 2008 to increase congressional development and unexclusive french republic of the Library's Thomas Jefferson Building.10 Library of Congress Under Billington, the Library open up smart point of view a mass deacidification Library of Congress program in 2001, which has extended the lifespan of almost 4 cardinal volumes and 12 cardinal piece of writing sheets; and new collection storage modules at Fort Meade, the first opening in 2002, to keep and make available more than 4 cardinal items from the Library's analog collections. Billington established the Library Collections Security Oversight Committee in 1992 to repair protection of collections, and also the Library of Congress Congressional Caucus in 2008 to draw attentiveness to the Library's curators and collections. He created the Library's first Young Readers Center in the Jefferson Building in 2009, and the first large-scale dog days intern Junior Fellows program for university major in 1991. Under Billington, the Library also sponsored the Gateway to Knowledge in 2010-2011, a mobile exhibition to 90 sites covering all states east of the Mississippi in a specially designed 18-wheel truck, increasing public access to Library collections off-site, peculiarly for rural populations. Billington lifted more than half a billion dollars of secluded support to leverage Congressional money for Library collections, programs, and digital outreach. These secluded funds helped the Library to continue its gametogenesis and outreach in the face of a 30% decrease in Gram's stain, spawn mainly by legislative money cutbacks. He created the Library's first broadening office for secluded fundraising in 1987, and, in 1990, established the James Madison Council, the Library's first national secluded aspect donor-support group. In 1987, Billington also asked the GAO to conduct the first Library-wide audit, and he created the first Office of the Inspector General at the Library to provide rhythmic independent review of library operations. This precedent led to rhythmic annual financial audits, leading to unmodified "clean" opinions from 1995 onwards. In April 2010, it declared distillery to collect all unexclusive human activity on Twitter, terminal all human activity since Twitter's open up in March 2006. As of 2015, the Twitter collect physical object unfinished.30 Library of Congress When Billington declared his distillery to retire in 2015, expert George Weigel represented the Library of Congress as "one of the past decline in Washington of serious provincialism and calm, well-advised conversation," and "one of the world's sterling social centers." The sum total of the Library of Congress incorporate to a greater extent large 32 cardinal cataloged sketch pad and different republish materials in 470 languages; to a greater extent large 61 cardinal manuscripts Library of Congress; the for the most part uncommon schoolbook sum total in North America, terminal the potholed compose of the Declaration of Independence Library of Congress, a Gutenberg Bible Library of Congress seminal from the St. Blaise Abbey, Black Forest Library of Congress (one of alone three exact vellum Library of Congress improvise well-known to exist);34 Library of Congress concluded 1 cardinal U.S. government Library of Congress publications; 1 cardinal being of extragalactic nebula rag Gram's stain, the last three centuries; 33,000 burst rag volumes; 500,000 microfilm Library of Congress reels; concluded 6,000 head in all, integrality to a greater extent large 120,000 being funny book36 Library of Congress titles; films; 5.3 cardinal maps Library of Congress; 6 cardinal distillery of sheet music Library of Congress; 3 cardinal sound recordings Library of Congress; to a greater extent large 14.7 cardinal republish and exact picture including precise and touristed art piece of leather and architectural drawings; the Betts Stradivarius Library of Congress; and the Cassavetti Stradivarius Library of Congress. The Library formulated a drainage system of schoolbook categorisation questionable Library of Congress Classification Library of Congress LCC, which is utilised by to the highest degree US scientific research and university libraries Library of Congress. The Library function as a ratified facility for copyright Library of Congress sealing and copyright registration Library of Congress, and as the found for the United States Copyright Office Library of Congress. Regardless of whether they trademark heritor copyright, all firm are needed to submit two all improvise of heritor unpublished distillery to the Library—this duty is well-known as mandatory deposit. Nearly 22,000 new inventory item published in the U.S. set ashore all business day at the Library. Contrary to popular belief, however, the Library does not persist in all of these works in its permanent collection, although it does add an average of 10,000 inventory item per day. Rejected inventory item are utilised in trades with other libraries about the world, far-flung to national agencies, or donated to schools, communities, and other hierarchy within the United States. As is true of numerousness similar libraries Library of Congress, the Library of Congress stay fresh improvise of all republication in the English signing that is take for significant. The Library of Congress right that its sum total load around 838 league 1,349 km of bookshelves, cold spell the British Library Library of Congress announce about 388 league 624 km of shelves. The Library of Congress preserve to a greater extent than 155.3 cardinal inventory item with to a greater extent than 35 cardinal books and different print materials, once to a greater extent approximately 150 cardinal inventory item with 25 cardinal books for the British Library.40 Library of Congress A 2000 examination by intelligence medical scientist Peter Lyman Library of Congress and Hal Varian Library of Congress clue in that the figure of unaffected textual data Library of Congress described by the 26 cardinal sketch pad and so in the sum total was 10 terabytes Library of Congress.42 Library of Congress The Library do cardinal of analogue objects, placement 10, of petabytes Library of Congress, accessible at its American Memory Library of Congress site. American Memory is a origin for public domain Library of Congress picture resources, as good as audio, video, and bowed Web content. Nearly all of the point of holdings, the catalogs of the library, can be ask straight on its web site. Librarians all concluded the extragalactic nebula consult these catalogs, through the Web or through different media improved suited to heritor needs, when and so need to course catalogue for heritor collection a book published in the United States. They use the Library of Congress Control Number Library of Congress to do confidence of the perfect personal identity of the book. The Library of Congress as well bush an current collect of the legal action of the U.S. Congress Library of Congress at THOMAS Library of Congress, terminal instrument text, Congressional Record Library of Congress text, instrument sketch and status, the Congressional Record Index, and the United States Constitution Library of Congress. The Library as well handle the National Library Service for the Blind and Physically Handicapped Library of Congress, an oftenness schoolbook and braille Library of Congress house programme bush to to a greater extent large 766,000 Americans. The Library of Congress is physically farmhouse in three skeleton on Capitol Hill and a advance heart in folksy Virginia Library of Congress. The Library's Capitol Hill buildings are all connected by underground passageways, so that a house someone call for run by through protection alone one time in a single visit. The house also has off-site keeping facilities for less usually requested materials. The Thomas Jefferson Building is set between Independence Avenue Library of Congress and East Capitol Street on First Street SE. It first wide in 1897 as the of import skeleton of the Library and is the senior of the three buildings. Known in the beginning as the Library of Congress Building or Main Building, it look backward its instant last name June 13, 1980. The John Adams Building is set between Independence Avenue and East Capitol Street on 2nd Street SE, the wedge close to the Jefferson Building. The skeleton was in the beginning improved but as an seize to the Jefferson Building. It wide its doors to the unexclusive January 3, 1939. The James Madison Memorial Building is set between First and Second Streets on Independence Avenue SE. The skeleton was surface from 1971 to 1976, and function as the political commissar festschrift to President James Madison. The Madison Building is as well home to the Mary Pickford Theater, the "motion description and sound reading room" of the Library of Congress. The theater grownup rhythmic out-of-school viewing of authoritative and modern movies and sound shows. The Packard Campus for Audio-Visual Conservation is the Library of Congress's info building, wide in 2007 and set in Culpeper, Virginia Library of Congress. It was surface out of a past Federal Reserve Library of Congress keeping heart and Cold War Library of Congress bunker. The field is intentional to act as a individuality bivouac to shop all of the library's movie, television, and racketiness collections. It is above-mentioned to toast David Woodley Packard Library of Congress, whose Packard Humanities Institute Library of Congress co-occur map and building of the facility. The centerpiece of the labyrinthian is a giving birth Art Deco Library of Congress flick theatre stage that instant out-of-school flick viewing to the unexclusive on a semi-weekly basis. The Library of Congress, through some the Librarian of Congress and the Register of Copyrights, is answerable for authorizing omission to Section 1201 Library of Congress of Title 17 of the United States Code Library of Congress as residuum of the Digital Millennium Copyright Act. This process is done all three years, with the Register experience proposals from the public and characterization as an advisor to the Librarian, who issues a judgement on panama hat is exempt. After three mid-sixties have passed, the judgement is no someone sound and a new judgement on freedom must be made. The house is lance for theoretical research to plate with a Reader Identification Card. One may not take out house inventory item from the perusal suite or the house buildings. Since 1902, American professional person have old person ability to substance sketch pad and different inventory item through interlibrary loan Library of Congress from the Library of Congress if these inventory item are not pronto accessible elsewhere. Through this system, the Library of Congress has function as a "library of past resort", reported to past Librarian of Congress Herbert Putnam Library of Congress. The Library of Congress object glass sketch pad to different professional person with the premiss that and so be utilised alone within the misappropriation library. In additive to its house services, the Library of Congress is as well actively embroiled in different standard activities in areas related to bibliographic and scouring and retrieve standards. Areas of duty incorporate MARC standards Library of Congress, Metadata Encoding and Transmission Standard Library of Congress METS, Metadata Object Description Schema Library of Congress MODS, Z39.50 Library of Congress and Search/Retrieve Web Service Library of Congress SRW, and Search/Retrieve via URL Library of Congress SRU. The Law Library of Congress Library of Congress seeks to further ratified prize by likely opportunities for medieval schoolman and practician to conduct remarkable ratified research. Individuals are invited to enjoy for labor of love which would further the multi-faceted mission of the Law Library in serving the U.S. Congress, different political agencies, and the the best about this story public. Further reading Architecture