Library of Congress

Library of Congress
Name	Library of Congress
Established	April 24, 1800
Location	Washington, D.C., United States
Collection size	Over 173 million items
Director	Carla Hayden (Librarian of Congress)
Website	loc.gov

Library of Congress. Founded in 1800, it is the oldest federal cultural institution in the United States and serves as the primary research arm of the United States Congress. Its collections, which began with 740 books purchased from London, were largely destroyed when British forces burned the United States Capitol during the War of 1812. The institution was revitalized in 1815 with the purchase of the personal library of former President Thomas Jefferson, forming the philosophical foundation for its universal collection policy. Today, it functions as the de facto national library of the United States, holding more than 173 million items in hundreds of languages across virtually every format.

History

The institution was established by an act of Congress signed by President John Adams, originally housed within the Capitol building. After the 1814 fire, Jefferson's collection of 6,487 books provided a new foundation, emphasizing enlightenment ideals across all subjects. Throughout the 19th century, it expanded its role under Librarians like Ainsworth Rand Spofford, who championed copyright deposit through the Copyright Act of 1870, dramatically increasing holdings. The early 20th century saw massive growth under Herbert Putnam, who initiated national services like interlibrary loan. Key events further shaped its development, including the move into its own building, the Thomas Jefferson Building, in 1897, and its pivotal work preserving materials during both World War I and World War II.

Collections

Its universal collection spans over 173 million items, including more than 32 million cataloged books in 470 languages. The vast holdings feature immense resources in law, geography, and history, such as one of the world's largest collections of legal materials. Specialized divisions preserve unique items like the rough draft of the Declaration of Independence, the contents of the Abraham Lincoln's pockets on the night of his assassination, and over 1 million issues of newspapers from around the globe. The non-print collections are equally renowned, encompassing over 3.6 million sound recordings, 15 million photographs, 5.5 million maps, and 75 million manuscripts, including the papers of 23 U.S. presidents from George Washington to Calvin Coolidge.

Buildings and architecture

The campus on Capitol Hill consists of three main structures. The historic Thomas Jefferson Building, opened in 1897, is a masterpiece of the Beaux-Arts style, famous for its Great Hall and the elaborately decorated Main Reading Room. The John Adams Building, opened in 1939, features Art Deco motifs and was constructed to address severe space shortages. The modern James Madison Memorial Building, completed in 1980, houses most of the institution's administrative offices and the Mary Pickford Theater. An off-site facility, the Packard Campus for Audio-Visual Conservation in Culpeper, Virginia, serves as a state-of-the-art preservation center for film, television, and sound recordings.

Services and access

While primarily serving the research needs of the United States Congress through the Congressional Research Service, it also offers services to other U.S. government agencies and the public. Researchers over high school age can obtain a reader identification card to access materials in its reading rooms. It provides extensive digital access through its website, featuring millions of digitized items, research guides, and online exhibitions. Key public outreach programs include the National Book Festival, the American Folklife Center, and the Poet Laureate Consultant in Poetry program. It also administers the U.S. Copyright Office, which registers all copyright claims in the United States.

Governance and administration

The head of the institution is the Librarian of Congress, a position appointed by the President of the United States and confirmed by the United States Senate. The current Librarian, Carla Hayden, appointed by President Barack Obama in 2016, is the first woman and first African American to hold the post. The institution is organized into multiple service units, including the Congressional Research Service, the U.S. Copyright Office, and the Law Library of Congress. Its operations are supported by a mix of congressional appropriations, gift and trust funds, and other revenue sources. A board, including the Librarian of Congress, the Vice President of the United States, and the Speaker of the House, provides oversight.

Cultural impact

It plays a central role in American cultural life, setting cataloging standards through its Library of Congress Classification system and Library of Congress Subject Headings, used worldwide. It preserves the nation's creative heritage through the National Recording Registry and the National Film Registry, which honor culturally significant works. Its public programs, such as concerts by the Juilliard String Quartet and lectures by notable figures like Toni Morrison, foster engagement with the arts and humanities. As a symbol of democratic access to knowledge, its iconic Main Reading Room and digital initiatives continue to inspire researchers, educators, and citizens globally.

Category:National libraries Category:Library of Congress Category:1800 establishments in the United States Category:Government agencies established in 1800