Letter from James De Lancey to the New York Colonial Council, October 29, 1754
Military order issued by James De Lancey to James Clinton, March 8, 1759
Letter from James De Lancey to the New York Colonial Council, August 10, 1757
Marching orders issued by James De Lancey to Richard Floyd, July 6, 1758
Clearance issued by James De Lancey for a schooner to pass through New York Harbor, February 3, 1759
Military order issued by James De Lancey to Richard Floyd, March 16, 1759
Military order issued by James De Lancey to Richard Floyd, May 19, 1759
Letter from John De Lancey to James De Lancey, November 6, 1792
Letter from James De Lancey to John De Lancey, January 30, 1792
Letter from James De Lancey to John De Lancey, January 2, 1792
Letter from James De Lancey to John De Lancey, June 4, 1792
Letter from James De Lancey to John De Lancey, October 20, 1791
Undated letter from John De Lancey to James De Lancey
Stephen De Lancey to James De Lancey, December 2, 1790
Letter from Mary De Lancey to John De Lancey, October 29, 1789
Letter from William Heathcote De Lancey to William Steuben De Zeng, March 24, 1847
Letter from John De Lancey to James De Lancey, April 12, 1792
Letter from Oliver De Lancey to Colonel Conkling, September 1, 1776