HABS/HAER Database - Historic American Buildings Survey/Historic American Engineering Record (HABS/HAER) database maintained by the National Park Service.
International Council on Monuments and Sites - International organization of professionals, dedicated to the conservation of the world's historic monuments and sites. Contains links to many national and topical committees and the Heritage at Risk report.
National Archeological Database - Database of United States archaeological sites established to meet a congressional directive to improve access to information on archeological activities nationwide. Includes reports, Native American Grave Protection and Repatriation Act data, GIS maps, and permit information.
National Register of Historic Places - Contains the National Register Information System which allows for searches of the register by name, location, agency, and subject.
Vermont Division for Historic Preservation - Contains historic site information and additional resources for history, archaeology, and architecture in Vermont. State Historic Preservation Office.