Indian tribe. Photocopies of translated letters (1805–1806) from James B. Wilkinson, Pierre Chouteau, and Francisco Caso y Luenge to Osage Indian chiefs, advising them of the need to comply with white authority; monthly returns (1863–1865) of ration issues to Osage Indians; an Osage tribal council statement (1953) contending that the U.S. government should supervise tribal affairs as long as there are mineral-producing properties held by the tribe; and publications (1957) of the Osage Indians’ semi-centennial celebration of the closing of the Osage tribal roll and allotment of Osage Indian lands in severalty. The collection also includes a Louisiana land request (1799) made in French by Pierre Chouteau to Charles Dehault Delassus, and a copy of a report (1945) by C. C. Marrs regarding Osages in the U.S. Armed Forces, listing those missing, wounded, and killed in service.