Materials held include manuscript and archival materials, serials, audiovisual materials and photographs. Site provides many online finding aids and container lists. Though this has a number of links to materials for archivists, this page primarily contains a number of sites that implement Encoded Archival Description standards and present finding aids for their collections online. This is one of the most thorough listing of sites available. NARA's site is good starting place for all kinds of archives research.
Online exhibits enhance the site, and the site provides search capability.
Provides an online, searchable version of the National Union Catalog, listing manuscript collections. Individual records include descriptions of the collection, location of the collection, online access if available, and other information. The website also offers links to many other archival research resources both for professional archivists and for the researcher. This collaborative effort creates a searchable, online union database of finding aids available via the University of California. Also provides links to other resources and repositories.