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

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

Undated bill issued by Stephen De Lancey to the estate of his mother, Anne Heathcote De Lancey

Receipted bill issued by Nicholas Carmer to Stephen De Lancey, May 3, 1763

Receipted bill issued by Nicholas Roosevelt to Stephen De Lancey, June 24, 1767

Receipted bill issued by Dirck Schuyler to Stephen De Lancey, May 12, 1770

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

Receipted bill issued by John Slidell to John Peter De Lancey, November 6, 1794

Receipted bill issued by Michael Trappal to John Peter De Lancey, May 23, 1798

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

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

College, Yale College, Woolsey Hall, & Dining Hall. New Haven, Conn.

Receipted bill issued by J. & T. Garniss to John Peter De Lancey, May 31, 1815

Letter from William Heathcote De Lancey to Elizabeth Herbert, May 16, 1859

Account of William Heathcote De Lancey, November, 1858

College, Yale University, New Haven, Conn. Woolsey Hall interiors.

Letter from William Heathcote De Lancey, March 10, 1859

Receipt issued to John Peter De Lancey by Monmouth Lyon, December 14, 1816

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