ArchiveGrid is a collection of over three million archival material descriptions, including collections held by thousands of libraries, museums, historical societies. Access is provided to detailed archival collection descriptions and contact information for the institutions where the collections are kept. ArchiveGrid data is primarily focused on archival material descriptions for institutions in the United States but now also includes information about collections in Australia.

Archive Finder brings together ArchivesUSA and the cumulative index to the National Inventory of Documentary Sources in the UK and Ireland (NIDS UK/Ireland), ArchivesUSA is a current directory of over 5,600 repositories and more than 175,000 collections of primary source material across the United States. NIDS UK/Ireland is a major reference work that reproduces on microfiche the finding aids to thousands of archive and manuscript collections in libraries and record offices, museums and private collections throughout the UK and Ireland.