Library of Congress

The Great Hall interior.

Contrary to popular belief, the Library of Congress is not the national library of the United States, but the research arm of the United States Congress. It is part of the United States Capitol Complex located in Washington, D.C.

With about 530 miles (850 km) of shelves it is one of the largest libraries in the world. It contains more than 130 million items, second only to the British Library (with over 150 million items). Its collections include

  • more than 28 million cataloged books and other print materials in 470 languages;
  • more than 50 million manuscripts;
  • the largest rare book collection in North America, including a Gutenberg Bible; and
  • the world's largest collection of legal materials, films, maps, sheet music and sound recordings.

The head of the Library is the Librarian of Congress.

Contents

History

The Library of Congress was established on April 24, 1800, when President John Adams signed an act of Congress providing for the transfer of the seat of government from Philadelphia to the new capital city of Washington. The legislation appropriated $5,000 "for the purchase of such books as may be necessary for the use of Congress ..., and for fitting up a suitable apartment for containing them...." The original library was housed in the new Capitol until August 1814, when invading British troops set fire to the Capitol building, destroying the contents of the small (3,000 volumes) library.

Within a month, retired President Thomas Jefferson offered his personal library as a replacement. Jefferson had spent 50 years accumulating books, "putting by everything which related to America, and indeed whatever was rare and valuable in every science"; his library was considered to be one of the finest in the United States. Jefferson, who was heavily indebted, sought to use the proceeds of the sale of his books to satisfy his creditors. He anticipated controversy over the nature of his collection, which included books in foreign languages and volumes of philosophy, science, literature, and other topics not normally viewed as part of a legislative library. He wrote, "I do not know that it contains any branch of science which Congress would wish to exclude from their collection; there is, in fact, no subject to which a Member of Congress may not have occasion to refer."

In January 1815, Congress accepted Jefferson's offer, appropriating $23,950 for his 6,487 books, and the foundation was laid for a great national library. The Jeffersonian concept of universality, the belief that all subjects are important to the library of the American legislature, is the philosophy and rationale behind the comprehensive collecting policies of today's Library of Congress.

On December 24, 1851, there was a fire in the Library of Congress. The fire destroyed 35,000 books, an original portrait of Christopher Columbus, portraits of the first five US Presidents by Gilbert Stuart, and statues of George Washington, Thomas Jefferson and Marquis de Lafayette.

Main Library of Congress Building at the start of the 20th century.

The Library is now spread over three buildings in Washington, D.C.:

(Note: Between April 13, 1976 and June 13, 1980, the John Adams Building was known as the Thomas Jefferson Building.)

In late-November 2005, the Library announced intentions to launch the World Digital Library, digitally preserving books and other objects from all world cultures.

Holdings

Library of Congress, Thomas Jefferson Building.

The Library developed a system of book classification called Library of Congress Classification (LC) which is used by most research and university libraries, although most public libraries continue to use the Dewey decimal system.

The Library serves as a legal repository to guarantee copyright protection. All authors seeking American copyright registration are required to submit two copies of their works to the Library. Largely due to this provision of the copyright law, nearly 22,000 new items published in the U.S. arrive every business day at the Library. Contrary to popular belief, however, the Library does not retain all of these works in its permanent collection, although it does add an average of 10,000 items per day. Rejected items are used in trades with other libraries around the world, distributed to federal agencies, or donated to schools, communities, and other organizations within the United States.[1] As is true of many similar libraries, the Library of Congress retains copies of every publication in the English language which is deemed significant.

It is estimated that the print holdings of the Library of Congress would, if digitized and stored as plain text, constitute 17 to 20 terabytes of information. This leads to the commonly-repeated but misleading equivalence of 20 terabytes to the entire holdings of the Library. (Occasionally, this figure has been referred to as a data transfer rate, LoC/s—Libraries of Congress per second – defined as 20 terabytes of data transferred per second). Only selected portions of the print holdings have actually been digitized, and the Library currently has no plans for systematic digitization of any significant portion of its books. The Library makes millions of digital objects, comprising tens of terabytes, available at its American Memory site. American Memory is a source for public domain image resources, as well as audio, video, and archived Web content. Nearly all of the lists of holdings, the catalogs of the library, can be consulted directly on its web site. Librarians all over the world consult these catalogs, through the Web or through other media better suited to their needs, when they need to catalog for their collection a book published in the United States. They use the Library of Congress Control Number to make sure of the exact identity of the book.

The Library of Congress also provides an on-line archive of the proceedings of the U.S. Congress at Thomas, including bill text, Congressional Record text, bill summary and status, the Congressional Record Index, and the United States Constitution.

The Library also administers the National Library Service for the Blind and Physically Handicapped, a talking and Braille library program provided to more than 766,000 Americans.

Library of Congress reading room.

Using the Library

The library is open to the general public for academic research, and runs tours for visitors. Only those who are issued a "Reader Identification Card" may enter the reading rooms and access the collection. The Reader Identification Card is available in the Madison building to persons who are over 18 years of age upon presentation of a government issued picture identification (e.g., driver's license, state ID card or passport). However, only members of Congress, their staff and certain other government officials can actually check out books.

Annual events

Annual events include:

See also

External links

United States Capitol Complex
  United States Capitol
House: Cannon | Ford | Longworth | O'Neill | Rayburn
Senate: Dirksen | Hart | Russell
Library of Congress: John Adams Building | Thomas Jefferson Building | James Madison Memorial Building
Others: Botanic Garden | Capitol Power Plant | Supreme Court | Capitol Visitor Center