Military commission issued by King William IV to James De Lancey to serve as Major of the 1st King's Dragoon Guards, December 1, 1830

Military commission issued by King George III to James De Lancey to serve as Major in the 9th Regiment of Light Dragoons, December 4, 1817

Military commission issued by King George III to James De Lancey to serve as Captain in the 9th Regiment of Light Dragoons, May 19, 1808

Military commission issued by King George III to James De Lancey, December 20, 1786

Military commission issued by King George III to James De Lancey, January 24, 1805

Military commission issued by King George III to James De Lancey, September 18, 1806

Military commission issued by King George III to James De Lancey, February 7, 1783

Military commission issued by King George III to John De Lancey, June 13, 1781

Military commission issued by Robert Mackenzie on behalf of Sir William Howe to John Peter De Lancey to serve as Major in the First Battalion of Pennsylvania Loyalists, October 14, 1777

Commission issued by King George II to Harry Munro, to serve as chaplain to the First Highland Battalion, January 12, 1757

Warrant issued by King George II for the arrest of Oliver De Lancey, April 1750

Copies of letters from John De Lancey to Oliver De Lancey, and to James De Lancey, December 16, 1791

Letter from John De Lancey to Oliver De Lancey, December 14, 1791

Letter from John De Lancey to James De Lancey, April 8, 1792

Letter from Oliver De Lancey to John De Lancey, February 1, 1792

Undated letter from John De Lancey to James De Lancey

Letter from James De Lancey to John De Lancey, June 4, 1792

Letter from John Peter De Lancey to John De Lancey, December 19, 1786

Letter from John De Lancey to James De Lancey, November 26, 1790

Letter from John De Lancey to Oliver De Lancey, December 12,1790 and April 20, 1791