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

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

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

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

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

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

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

The Name of De Lancey of New-York

Letter from Susan Fenimore Cooper to Edward Floyd De Lancey, March 2, 1855

Letter from Susan Fenimore Cooper to Edward Floyd De Lancey, March 11, 1855

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

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

Letter from Frances Munro De Lancey to Edward Floyd De Lancey, June 5, 1865

Letter from William Heathcote De Lancey, March 10, 1859

Letter from James De Lancey to John De Lancey, October 20, 1791

Letter from James De Lancey, May 6, 1852

Letter from James De Lancey to James Hamilton, October 22, 1753

Letter from John De Lancey to James De Lancey, November 6, 1792

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