Homepage of NARA, the national archives for the United States; includes links to the NARA catalog of finding aids and digital materials along with valuable information about starting your research in the archives.
Part of the University of California’s California Digital Library (CDL); provides access to archival finding aids from more than 150 repositories in California, also contains digital materials. The Cal State East Bay University Archives is part of the OAC.
“A listing of over 5000 websites describing holdings of manuscripts, archives, rare books, historical photographs, and other primary sources”; resource for finding archives that may contain collections of relevance to your research project." NOTE: "Effective January 1, 2015, the list of Repositories of Primary Sources will no longer be updated or maintained."