This collection consists of seven letterpress books of outgoing correspondence (1877-1894) of Crow Indian Agents Lewis .H. Carpenter, George W. Frost, Augustus R. Keller, C.H. Barstow, Henry J. Armstrong, H.E. Williamson, and Moses P. Wyman. Includes reports and letters to the U.S. Commissioner of Indian Affairs; minutes of meetings with tribal council; census; texts of treaties; inventories; accounts of events; and financial materials.