Northrup, A. J. (1908). The Northrup-Northrop genealogy: A record of the known descendants of Joseph Northrup, who came from England in 1637, and was one of the original settlers of Milford, Conn., in 1639 ; with lists of Northrups and Northrops in the Revolution. Grafton Press.
Chicago Style (17th ed.) CitationNorthrup, A. Judd. The Northrup-Northrop Genealogy: A Record of the Known Descendants of Joseph Northrup, Who Came from England in 1637, and Was One of the Original Settlers of Milford, Conn., in 1639 ; with Lists of Northrups and Northrops in the Revolution. New York: Grafton Press, 1908.
MLA (9th ed.) CitationNorthrup, A. Judd. The Northrup-Northrop Genealogy: A Record of the Known Descendants of Joseph Northrup, Who Came from England in 1637, and Was One of the Original Settlers of Milford, Conn., in 1639 ; with Lists of Northrups and Northrops in the Revolution. Grafton Press, 1908.