Most of the items microfilmed are from the Public Archives of Canada. From the Daniel Claus Papers, 1761-1796, are letters and papers on Indian affairs at Forts Pitt, Niagara, and Detroit, with letters of Dr. Alexander McKee, Arthur St. Clair, Joseph Chew, Richard Butler, Joseph Brant, and John Graves Simcoe. From the papers of Brigadier Robert Monckton, 1760-1761, are appointments, returns, reports, bills and receipts, and letters relating to Forts Pitt, Bedford, and Niagara, with letters of James Burd, Horatio Gates, Henry Bouquet, Lewis Ourry, Sir John St. Clair, Thomas Hutchins, John Stanwix, and Lord Amherst. There are also excerpts for minutes of the Commissioners of Indian Affairs at Albany, 1723-1746; transcripts from the Public Record Office on Indians, trade, defense, 1698-1767, including names of persons naturalized in British America, 1740-61, and accounts of Lt. Col. Harry Gordon, 1756-1761, 1764-1767; Duquesne-Centrecoeur correspondence, 1752-1753, Fonds Verreau, from the Université Laval, Quebec; and, miscellaneous documents. All materials concern eighteenth-century Indian affairs, especially the Six Nations, and Algonquian Indians.

These letters and papers include ten small volumes of letterbooks (1752-1781), and ca. 100 pieces of correspondence with Joseph Shippen (1750-1778). Topics discussed are business in Philadelphia and Lancaster, provincial politics, army supply in the French and Indian War, land purchases and speculation, housebuilding, and family affairs.