These papers include correspondence to Sabine, and miscellaneous accounts, receipts, and military records.

These accounts include ledgers (1750-1763), daybook (1758-1761), miscellaneous receipts, and James Franklin's estate papers.

This account book contains receipts and expenditures for the Flying Camp (1783), and business accounts for purchases of bread and candles, and for expenses of traveling and lodging (1785-1800).

These selections include letters, bills, accounts, receipts, memoranda, and official communications and documents relating to the Iroquois in New York state, selected from volumes 6-15 of O'Reilly's collections, "Mementos of western settlement," together with copies of documents from the American State Papers, etc. Included are letters of Phelps, Gorham, Chapin, Brant, Kirkland, Knox, Pickering, Irvine, and Morris. Many manuscripts appear to be from the papers of General Israel Chapin, an Indian agent.