Rensselaer County Historical Society - established in 1927 to connect local history and heritage with contemporary life. Richmond Hill Historical Society - educational programs, historic house tours, and more. Rockland County Historical Society - operates Jacob Blauvelt House and History Museum Center. Greek Revival house originally belonging to Silas Wright, Governor of New York 1845-1846. Saratoga Springs Historical Society - Permanent and changing exhibitions that document the long and varied history of the resort community.
Emphasis is on spa, gambling, hotel and ethnic history of Saratoga Springs.
Saratoga County Historical Society - operates the Brookside Museum. Schaghticoke Knickerbocker Historical Society Scarsdale Historical Society - provides large array of exhibitions, lectures, meetings and educational programs. Schenectady County Historical Society - history, genealogy, library, and the Jan Mabee Farm. Sharon Historical Society - founded in 1971, dedicated to preserving the history of Sharon, operating the Sharon Historical Museum and the Chestnut Street School. Shelter Island Historical Society Skaneateles Historical Society - museum and nonprofit volunteer organization dedicated to preserving the history of Skaneateles.