Benjamin O'Fallen letterbook : and related materials, 1783-1859 (bulk 1823-1829)
Benjamin O'Fallon, William Clark (Correspondent), Henry Atkinson (Correspondent), William Henry Ashley, Henry Leavenworth (Correspondent), Joshua Pilcher (Correspondent), Pedro Oliver, Eugenio Pouré, United States Indian Agent Upper Missouri Agency, United States War Department
Copybook of letters sent as U.S. Indian Agent, Upper Missouri Agency, 1823-1826, to the Secretary of War, William Clark, Henry Atkinson, William H. Ashley, Henry Leavenworth, Joshua Pilcher, and others, reflecting life at Fort Atkinson, Council Bluffs; the Arikara campaign, 1823; friction between the military and the Indian Office; relations with fur traders and New Mexican officials; and general administration of Indian affairs. Copies of letters, 1826-1829, after O'Fallon's resignation as agent primarily concern public affairs in Missouri. Accompanying the letterbook is a copy in Spanish, and translation, of the will, St. Louis, 1783, of Eugenio Pouré, attested by Pedro Oliver and others, transcribed November 15, 1859, from county records, St. Louis
Archival Material, English, 1823