Kopper, P. (1986). The Smithsonian book of North American Indians: Before the coming of the Europeans. Washington, D.C. : New York, N.Y.: Smithsonian Books ; Trade distribution by H.N. Abrams.

Kopper, Philip. The Smithsonian Book of North American Indians: Before the Coming of the Europeans. Washington, D.C. : New York, N.Y.: Smithsonian Books ; Trade distribution by H.N. Abrams, 1986.

Kopper, Philip. The Smithsonian Book of North American Indians: Before the Coming of the Europeans. Washington, D.C. : New York, N.Y.: Smithsonian Books ; Trade distribution by H.N. Abrams, 1986.