The Libraries have New York State Census Records, 1790-1925, by Marilyn Douglas (1981) at: Z 1009 N56 NO.88. According to the New York State Library, this book is an "inventory of federal and state census manuscripts and microfilm holdings in repositories throughout New York State. A list of the questions asked on federal population schedules (1780-1980) is included on pages 43-46 and a list of the questions asked on state population schedules (1825-1925) is included on pages 48-49." Each section is arranged by NYS county.