Protestant Dutch Reformed Church of Flatlands (New York, N.Y.). 325th anniversary celebration : Pieter Claesen Wyckoff to New Amsterdam, March 4, 1637 [and] 25th anniversary Wyckoff Association in America, March 4, 1937-March 4, 1962. 1962. Book. Seymour B. Durst Old York Library Collection. Columbia Digital Library Collections. 19 Mar 2024