Library of Congress — Serves as the research arm of Congress and is recognized as the national library of the United States.
Library of Congress (LOC): Exhibitions of the Library of Congress — View collections currently on display at the Library of Congress with text and images.
The American Memory Historical Collections — A major component of the Library's National Digital Library Program, are multimedia collections of digitized documents, photographs, recorded sound, moving pictures, and text from the Library's Americana collections. There are currently over 50 collections in the American Memory Historical Collections.
THOMAS Congressional Database — Offers comprehensive information on federal legislative proceedings, including pending and past legislation, the Congressional Record, and congressional committees; links to other useful sites; from Library of Congress; bill number/keyword searches.
U.S. Copyright Office