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

Letter from James Fenimore Cooper to William Heathcote De Lancey, October 6, 1838

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

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

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

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

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

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

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Letter from William Heathcote De Lancey, March 10, 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

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

Letter from Mary De Lancey to John De Lancey, October 29, 1789