American Jewish Historical Society
Billy The Kid Historic Preservation Society
Brooklyn Historical Society
California Historical Society
Camlann Medieval Village
Chicago Historical Society
Colorado Historical Society
Connecticut Historical Society
Constitution Society
Cumberland County Historical Society
Dallas Historical Society
Filson Historical Society
Georgia Historical Society
Hawaiian Historical Society
Historical Society of Delaware
Historical Society of Pennyslvania
Idaho State Historical Society
Illinois State Historical Society
Indiana Historical Society
Iowa Class Preservation Association
James Clerk Maxwell Foundation
Kansas State Historical Society
Kentucky Historical Society
Maine Historical Society
Maryland Historical Society
Massachusettes Historical Society
Minnesota Historical Society
Missouri Historical Society
Montana Historical Society
National Railway Historical Society (NRHS)
Nebraska State Historical Society
Nevada Historical Society
New Hampshire Historical Society
New Jersey Historical Society
New-York Historical Society
Ohio Historical Society (OHS)
Oklahoma Historical Society
Oregon Historical Society
Organ Historical Society
Rhode Island Historical Society
Royal Historical Society
San Diego Historical Society
San Francisco Historical Society
South Carolina Historical Society
South Dakota State Historical Society
State Historical Society of Iowa
State Historical Society of North Dakota
Supreme Court Historical Society
The Pilgrim Society
Titanic Historical Society, Inc.
U.S. Capitol Historical Society
Utah State History
Vermont Historical Society
Virginia Historical Society
Wisconsin Historical Society