1. Map of Hempstead Manor, section, 4, situated at Hempstead Nassau County. N.Y property of O.L. Schwencke Land & Investment Co., title insured by the United States Title Guaranty & Indemnity Co. [cartographic material] Yale Public content 1905. 2012-06-18T20:42:17Z. 2015-04-21T22:03:44Z. s.n. English. Public. New York (State), Hempstead., and Hempstead (N.Y.).