1. Anonymous 1915?Picture Writing by the Blackfeet Indians in Glacier Park Hotels. St Paul’s: Great Northern Railway, Heavy Breast, Eagle Calf, interpreters.
2. Barry, P.S. 1991Mystical Themes in Milk River Rock Art. University of Alberta Press, Edmonton.
3. Bolz, P. and Hans-Ulrich Sanner 1999Native American Art: The Collections of the Ethnological Museum Berlin. G & H Verlag, Berlin and Staatliche Museen zu Berlin, PreuBischer Kulturbesitz, Berlin.
4. Bonner, T.D. 1965The Life and Adventures of James P. Beckwourth, Mountaineer, Scout, and Pioneer and Chief of the Crow Nation of Indians. Ross & Haines, Minneapolis.
5. Bowers, Alfred W. 1950Mandan Social and Ceremonial Organization. Chicago University Press.