1949 A Corn Cache from Western Colorado. Am. Antiq., Vol. XIV, No. 3, pp. 161-167.
HYDE, G. E.
1951 Pawnee Indians. University of Denver Press. Denver.
IRVING, J. T.
1835 Indian Sketches, Taken During an Expedition to the Pawnee Tribes. Carey, Lea and Blanchard. Philadelphia.
IRWIN, C., and H. IRWIN
1957 Archaeology of the Agate Bluff Area. Plains Anthropologist, No. 8. Lincoln.
n.d. Woodland Cultures of the Denver Area.
JAMES, E.
1932 The Archaeology of East Texas. American Anthropologist, N. S., Vol. 34, pp. 607-687. Menasha.