Letter from William Heathcote De Lancey to Edward Floyd De Lancey, January 7, 1850
Letter from William Heathcote De Lancey to Edward Floyd De Lancey, September 5, 1861
Telegram from William Heathcote De Lancey to Edward Floyd De Lancey, November 15, 1858
Letter from William Heathcote De Lancey to Thomas J. De Lancey, January 5, 1848
Letter from Frances Munro De Lancey to Edward Floyd De Lancey, June 28, 1865
Letter from William Heathcote De Lancey to Anne Charlotte McAdam, November 19, 1836
Letter from William Heathcote De Lancey to Elizabeth Herbert, May 16, 1859
Letter from Edward Floyd De Lancey to Frances Munro De Lancey, March 22, 1859
Letter from William Heathcote De Lancey to William Steuben De Zeng, March 24, 1847
Account of William Heathcote De Lancey, November, 1858
Letter from William Heathcote De Lancey to Mordaunt Barnard, September 11, 1852
Letter from Sir William Heathcote to Edward Floyd De Lancey, January 19, 1868
Letter from Frances Munro De Lancey to Edward Floyd De Lancey, June 19, 1865
Envelope for telegram from William Heathcote De Lancey to Edward Floyd De Lancey, November 15, 1858
Proposal from William Heathcote De Lancey to Hon. James S. Wadsworth, Chairman of Senate Committee on Colleges, February 22, 1858
Letter from Josephine De Lancey to Edward Floyd De Lancey, May 13, 1849
Letter from Josephine De Lancey to Edward Floyd De Lancey, May 10, 1849
Letter from Frances Munro De Lancey to Edward Floyd De Lancey, June 5, 1865
Letter from Frances Munro De Lancey to Edward Floyd De Lancey, June 6, 1865
Letter from Josephine De Lancey to Edward Floyd De Lancey, January 29, 1850
