Letter from James Fenimore Cooper to William Heathcote De Lancey, May 6, 1839
1 p.
Letter from James Fenimore Cooper to William Heathcote De Lancey, March 4, 1835
2 p.
Letter from James Fenimore Cooper to William Heathcote De Lancey, October 6, 1838
Account of William Heathcote De Lancey, November, 1858
Letter from William Heathcote De Lancey to Edward Floyd De Lancey, September 5, 1861
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 Elizabeth Herbert to William Heathcote De Lancey, March 9, 1859
4 p.
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
3 p.
Letter from William Heathcote De Lancey to Elizabeth Herbert, May 16, 1859
Letter from William Heathcote De Lancey to William Steuben De Zeng, March 24, 1847
Receipted bill issued by the President and Fellows of Yale College to William Heathcote De Lancey, February 2, 1816
Receipted bill issued by Mapes & Oakley to William Heathcote De Lancey for $43.00, May 8, 1819
Receipted bill issued by Mapes & Oakley to William Heathcote De Lancey for $50.00, May 12, 1819
Letter from James Fenimore Cooper to William Heathcote De Lancey, September 8, 1838
Letter from James Fenimore Cooper to William Heathcote De Lancey, October 5, 1838
Letter from William Heathcote De Lancey to Anne Charlotte McAdam, November 19, 1836
Telegram from William Heathcote De Lancey to Edward Floyd De Lancey, November 15, 1858
Letter from William Heathcote De Lancey to Mordaunt Barnard, September 11, 1852
Letter from William Heathcote De Lancey to Edward Floyd De Lancey, January 28, 1859
