Account by Oliver De Lancey of Stephen De Lancey's estate, November 18, 1741-October 26, 1742

Undated genealogy of Marguerite Bertrand, mother of Stephen De Lancey

Letter from James Fenimore Cooper to William Heathcote De Lancey, March 4, 1835

Letter from James Fenimore Cooper to William Heathcote De Lancey, October 6, 1838

De Lancey family record from 1683 to 1844

De Lancey family history

Receipts issued by Thomas Jones and signed by Robert Watts, John De Lancey, Ann De Lancey and Oliver De Lancey, August 1, 3, 30 and September 8, 1766

Letter from James Fenimore Cooper to William Heathcote De Lancey, September 8, 1838

Letter from James Fenimore Cooper to William Heathcote De Lancey, May 6, 1839

Letter from James Fenimore Cooper to William Heathcote De Lancey, October 5, 1838

Copies of De Lancey family letters and journals, compiled by Edward Floyd De Lancey, 1850

Telegram from Paul Fenimore Cooper to Edward Floyd De Lancey, June 6, 1865

Letter from Susan Fenimore Cooper to Edward Floyd De Lancey, June 12, 1865

Memorandum written by John Watts in 1784 and copied by Anne Charlotte McAdam, January 3, 1840

Undated De Lancey family genealogy compiled by William H. De Lancey

De Lancey family history, 1685-1844

Undated genealogy of the Van Cortlandt family

Letter from Caroline Carey De Lancey to John Peter De Lancey, August 18, 1817

Letter from John De Lancey to Mary De Lancey Harris, March 17, 1791

Letter from Caroline Carey De Lancey to John Peter De Lancey, November 16, 1817