Receipted bill issued by J. Pratt to John Peter De Lancey for $13.00, July 14, 1818
Agreement between John Peter De Lancey and Ruth Ward to manumit a slave, April 14, 1806
Letter from John De Lancey to John Peter De Lancey, January 9, 1791
Letter from John Peter De Lancey to Thomas Jones, December 19, 1791
Letter from John Peter De Lancey to Thomas Jones, March 13, 1792
Letter from John De Lancey to John Peter De Lancey, May, 1791
Letter from John De Lancey to John Peter De Lancey, June 12, 1790
Letter from John Peter De Lancey to Thomas Jones and Anne De Lancey Jones, March 6, 1792
Letter from John Peter De Lancey to John De Lancey, October 5, 1789
Letter from John De Lancey to John Peter De Lancey, March 14, 1796
Letter from John Peter De Lancey to Thomas Jones, April 3, 1792
Letter from John De Lancey to John Peter De Lancey, March 14, 1805
Letter from John De Lancey to John Peter De Lancey, December 2, 1788
Letter from John De Lancey to John Peter De Lancey, July 2, 1808
Certificate issued by the Overseers of the Poor of the Town of Mamaroneck to John Peter De Lancey, exonerating him from liability for maintenance of former slaves, July 5, 1803
Letter from John Peter De Lancey to Caroline De Lancey
Letter from John Peter De Lancey, August 5, 1806
Memorandum by John Peter De Lancey, October 10, 1804
Receipted bill issued by Joseph Howland to John Peter De Lancey, 1815
Receipted bill issued by Michael Trappal to John Peter De Lancey, May 23, 1798