Primary Sources at Yale
From Yale University, provides description of primary sources as well as links to primary source collections

Eduplaces's Primary Sources on the Web
Links of primary sources, listed by United States History and World History

Reference and User Services Association
From the American Library Association, this site dicusses what primary sources are, how to find and evaluate primary sources on the web, and how to cite

Repositories of Primary Sources
Lists over 5000 websites which hold a variety of primary source information for researchers -- lists divided geographically

The National Archives
United States Federal government's historical documents

University of California at Berkeley - Primary Sources
From Berkeley Univeristy, provides tools for using primary resources