Letter from William Heathcote De Lancey to Edward Floyd De Lancey, September 5, 1861

Letter from William Heathcote De Lancey to William Steuben De Zeng, March 24, 1847

Letter from William Heathcote De Lancey, March 10, 1859

Letter from William Heathcote De Lancey to Mordaunt Barnard, September 11, 1852

Telegram from William Heathcote De Lancey to Edward Floyd De Lancey, November 15, 1858

Letter from William Heathcote De Lancey to Lord Ashburton, May 16, 1859

Letter from William Heathcote De Lancey to Edward Floyd De Lancey, January 7, 1850

Letter from William Heathcote De Lancey to Thomas J. De Lancey, January 5, 1848

Letter from William Heathcote De Lancey to Edward Floyd De Lancey, January 28, 1859

Account of William Heathcote De Lancey, November, 1858

Letter from William Heathcote De Lancey to Anne Charlotte McAdam, November 19, 1836

Letter from Elizabeth Herbert to William Heathcote De Lancey, March 9, 1859

Proposal from William Heathcote De Lancey to Hon. James S. Wadsworth, Chairman of Senate Committee on Colleges, February 22, 1858

Letter from William Heathcote De Lancey to Lord Ashburton, March 14, 1859

Letter from John De Lancey to John Peter De Lancey, March 14, 1796

Letter from Selina, Lady Heathcote to Frances Munro De Lancey, April 23, 1859

Letter from Oliver De Lancey to his nephew, John Peter De Lancey, March 2, 1783

Letter from Oliver De Lancey, May 23, 1859

Letter from Sir William Heathcote to Edward Floyd De Lancey, January 19, 1868

Letter from James De Lancey to John De Lancey, January 30, 1792