NHD On-Line Resources
Recommended by Mr. Holden
Contains 18 million catalog records for books, serials, manuscripts, maps, music, recordings, images, and electronic resources in the Library of Congress collections.
A collection arranged by broad categories in American history
The Recorded Sound Reference Center provides access to the commercial and archival audio holdings of the Library of Congress
Millions of primary sources chronicling the Nation's history
Website that features more than 60,000 unique historical documents