"ArchiveGrid connects you with primary source material held in archives around the world. You will find historical documents, personal papers, family histories, and more. ArchiveGrid also helps researchers contact archives to request information, arrange a visit, and order copies."
"ArchiveGrid includes archival collection descriptions from WorldCat bibliographic records and from finding aids harvested from ArchiveGrid contributors' websites. If you have questions about your collection descriptions in ArchiveGrid, please get in touch with us. Interested in contributing? Please let us know that as well. "
"This prototype system from OCLC Research is in its early stages of development, and we're interested in your comments and suggestions. We'll be updating the site regularly with more archival descriptions and more features, so check back with us to see what's new. "
Coverage is by state and then by country. It includes both governmental and academic archives. The site uses Google maps to allow you graphically look for archives near you, using either zip code or location. The Browse Topic Scroll bar is on the left hand side of the page.