National Trust for Historic Preservation
National Museum of the American Indian | Smithsonian
New York Public Library (NYPL)
NYC: Cultural Institutions Group (CIG)
NYC: Historic Districts Council (HDC)
US Department of the Interior: Open Government Initiative
US Department of State, Bureau of Educational And Cultural Affairs — Cultural Heritage Center
US National Parks Service (NPS)
US Department of the Interior: Heritage
US National Endowment for the Humanities
NY State Historic Preservation Office
NYC Department of Cultural Affairs
NYC Landmarks Preservation Commission (LPC)
NYC Department of Parks and Recreation (DPR)
NYC Department of Records and Information Services (DORIS)