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About Congress.gov. Presented by the Library of Congress, Congress.gov is the official website for U.S. federal legislative information. More about Congress.gov . Visiting the U.S. Capitol. Your visit to the historic U.S. Capitol begins as you enter the Capitol Visitor Center.

The Library of Congress provides Congress with objective research to inform the legislative process, administers the national copyright system, and manages the largest collection of books, recordings, photographs, maps and manuscripts in the world.

Feb 27, 2023 · Library of Congress, the de facto national library of the United States and the largest library in the world. Its collection was growing at a rate of about two million items per year; it reached more than 170 million items in 2020.

The Library of Congress> Chronicling America. Search America's historic newspaper pages from 1770-1963 or use the U.S. Newspaper Directory to find information about American newspapers published between 1690-present. Chronicling America is sponsored jointly by the National Endowment for the Humanitiesexternal linkand the Library of Congress.

One of the Library's most common controlled vocabularies is the Library of Congress Subject Headings (LCSH). In addition to providing cross-references, scope notes identify LC classification numbers associated subject headings and clarify how particular headings have been used in the LC Catalog.