War Department and Indian Affairs, 1800-1824From 1789 until the Bureau of Indian Affairs was established in 1824, Indian affairs were under the direct control of the Secretary of War. This collection consists of the letters received by and letters sent to the War Department, including correspondence from Indian superintendents and agents, factors of trading posts, Territorial and State governors, military commanders, Indians, missionaries, treaty and other commissioners, Treasury Department officials, and persons having commercial dealings with the War Department, and other public and private individuals.