Sanborn Map Company"October 1923." Includes location map, key, key map, streets and specials index, and text. "1298."JPEGark:/88435/xw42nb83hHMC04 (Hackettstown)engNew York : Sanborn Map Company, 1923, c1924.PublicReal propertyHackettstown, Warren County, New JerseyMapsNew Jersey1923Princeton