A useful work for finding families in New York and in New Jersey before 1900 is Henry Pennington Toler, The New Harlem Register: A genealogy of the descendants of the twenty-three original Patentees of the Town of New Harlem, containing pr
Families and Sources in the Suffolk County Historical Society Register
Since 1975 valuable material relating to the history and genealogy of Suffolk County, Long Island, has been appearing in the Suffolk County Historical Society Register (SCHSR).