Kappler, Charles J.: Indian Affairs. Laws and Treaties. Washington, 1904. Vol. 2, pp. 1008-1011. (Treaty with the Crows, 1868). American Memory. Indian Land Cessions in the United States, 1784 to 1894. Map: Montana 1. http://memory.loc.gov.
Michno, Gregory (2006). "The Indian Trail of Broken Treaties" (PDF). Wild West. p. 40. With the treaty duly agreed to and signed, the Lakotas promptly went north, and over the next two years, attacked the Crows, invaded their lands in what would become Wyoming and Montana, moved in and drove them out. The Cheyennes joined in the attacks in 1853.
