LIBRARY OF CONGRESS

the largest library in the United States, located in Washington, DC and maintained largely by federal appropriations (money set aside for this use). Its original purpose was to provide research facilities for members of Congress; today it serves the public as well. Most copyrighted publications are cataloged by the Library of Congress, whose classification system is used by major libraries around the country. Its collection of printed material is one of the largest in the world. —SHSBC Binder 30 Approved Glossary

the public national library in Washington, DC, established in 1800 by the US Congress and housing one of the largest collections of printed materials in the world. That book is available - Library of Congress and other places.