The Library of Congress

The Library of Congress is the National Library of the United States. It is also the research arm of the United States Congress. It is located in Washington, D.C. It is one of the most important libraries in the world and has the largest shelf space. Its collections include more than 30 million catalogued books and other print materials in 470 languages; more than 58 million manuscripts; the largest rare book collection in North America, including a Gutenberg Bible (one of only four perfect vellum copies known to exist); over 1 million US Government publications; 1 million issues of world newspapers spanning the past three centuries; 33,000 bound newspaper volumes; 500,000 microfilm reels; over 6,000 comic book[4] titles; the world's largest collection of legal materials; films; 4.8 million maps; sheet music; and 2.7 million sound recordings. (Source : Wikipedia)

For a detailed article from Wikipeida:
http://en.wikipedia.org/wiki/Library_of_Congress

The Library of Congress Website:
http://www.loc.gov/index.html

Today in History from the Library of Congress:
http://memory.loc.gov/ammem/today/today.html

Webcasts from the Library of Congress:
http://www.loc.gov/today/cyberlc/