The Sand Creek Massacre

"First published as a report of the Joint Committee on the Conduct of the War, Massacre of the Cheyenne Indians, 38th Congress, Second Session, Washington, 1965 [i.e. 1865]; and report of the Secretary of War, 39th Congress, Second Session, Senate Executive Document no. 26, Washington, 1867. The edition includes the reply of Governor Evans of the Territory of Colorado, 1865."