Collection contains original letters, Photostats of letters, and typed transcripts of the letters pertaining to the missionary work and government relations of the Indians. Letters are almost entirely to Jedidiah Morse. Folder 1: Handwritten guide to letters. Letters to Jedidiah Morse from: James Stacy, sent from Savannah, April 16, 1794; John Sergeant, sent from New Stockbridge, October 28, 1796, discussing the Oneida Indians; John Campbell, sent from Edinburgh, May 28, 1806, discussing schools and church; William Mathews, sent from Sandusky, March 18, 1811, discussing missionary work, Western Missionary Society, schools, Indian witchcraft. Folder 2: Letter to Jedediah Morse from: John Sergeant, sent from Vernon, October 20, 1819, discusses Eleazer Williams, Captain Hendrick Aupaumut, Delaware, Munsee and Oneida Indians and their feelings of having been deceived. Folder 3: Letter to John Chester from George Selden, sent from Troy, November 8, 1819, discusses Jedidiah Morse.

Folder 4: Letters to Jedediah Morse from: John Sergeant, sent from Vernon, January 8, 1821; John Chester, sent from Albany, December 27, 1820, January 4, and 15, 1821; George (unreadable), sent from Kingston, September 4, 1821. Typed transcripts only of letter to Morse from Moses Fisk, sent from Hilham, August 19, 1817. Photostat of letters published in the book Sketches of the History, manners, and customs of the North American Indians, 1824 by James Buchaner. One letter is to De Witt Clinton from Hendrick Aupaumut et al., the other is to John Sergeant from Josiah W. Andrew, sent from Auburn, December 24, 1820. Folder 5: Letters to Morse from: H. W. Edwards, February 4, 1824, discusses General Van Rensselaer; George H. Richards, sent from Washington City, March 19, 1824; Joseph Nourse, sent from City of Washington, January 29 and April 19, 1824; D. Claus, sent from Niagara, September 12, 1821. Folder 6: Correspondence from the Museum of the American Indian and the Katonah Gallery about the loan of Stockbridge Indian pieces for an exhibit. Letters are part of the Stockbridge Indian papers.