American Indian chief. Typescripts of correspondence (1875–1879) relating to Choctaw participation in the proposed Indian Union growing out of the Okmulgee Council; published speeches (1877–1878); Choctaw Tribal Council proceedings (1873–1878); accounts of Choctaw court cases (1877); and other papers (1875–1879) pertaining to the problem of intruders, tribal citizenship, and royalties from Choctaw coal lands, all during the period of Cole’s tenure as principal chief, 1874–1878.