Some useful tools for finding Archival Collections are:

• ArchiveGrid is a database that allows you to search for historical documents, personal papers, and family histories held in archives around the world. Thousands of libraries, museums, and archives have contributed collection descriptions to ArchiveGrid.

• Repositories of Primary Sources -- "a listing of over 5000 websites describing holdings of manuscripts, archives, rare books, historical photographs, and other primary sources for the research scholar"

• Virginia Heritage is a union database of finding aids to archival and manuscripts collections in twenty-seven Virginia repositories.