Directories

Abraham, Terry. Repositories of Primary Sources [online]. 1995- [cited 8 November 2002]. Updated frequently. Available from: http://www.uidaho.edu/special-collections/Other.Repositories.html.
The most extensive collection of links to web sites of specific repositories.

Tennessee Archives Directory [online]. Available from: http://www.state.tn.us/sos/statelib/techsvs/ArchDirectory.pdf.

Union Catalogs & Related Tools

Archives USA [database]. Alexandria, Va.: Chadwyck-Healey, 1997- . Updated annually.
Additional information about this subscription service from Chadwyck-Healey: http://archives.chadwyck.com.

National Union Catalog of Manuscript Collections. Washington, D.C.: Library of Congress, 1962- .

RLG's Archival Resources [database]. Mountain View, Calif.: Research Libraries Group, 1998- . Continuously updated.
Product overview from the publisher: http://www.rlg.org/arr/index.html.

WorldCat [database]. Dublin, Ohio: OCLC. Updated daily.
Bibliographic descriptions and cataloging information for over 36 million books, manuscripts, and other types of sources. The searcher can limit a search to manuscript collections only. Ask a reference librarian at your library if you have access to this extremely valuable database.

RLIN AMC File [online database]. Available from: lcweb.loc.gov/z3950/rlinamc.html.
This database includes over 400,000 descriptions of archival and manuscript collections from institutions around the world.