Custer Died for Your Sins: An Indian Manifesto (nonfiction) 1969
We Talk, You Listen: New Tribes, New Turf (nonfiction) 1970
Of Utmost Good Faith [editor] (nonfiction) 1971
The Red Man in the New World Drama: A Politico-Legal Study with a Pageantry of American History [editor and author of introduction] (nonfiction) 1971
God Is Red (nonfiction) 1973; republished as God Is Red: A Native View of Religion, 1992
Behind the Trail of Broken Treaties: An Indian Declaration of Independence (nonfiction) 1974
The Indian Affair (nonfiction) 1974
A Better Day for Indians (nonfiction) 1976
Indians of the Pacific Northwest: From the Coming of the White Man to Present Day (nonfiction) 1977
The Metaphysics of Modern Existence (nonfiction) 1979
American Indians, American Justice [with Clifford M. Lytle] (nonfiction) 1983
The Aggressions of Civilization: Federal Indian Policy Since the 1880s [editor with Sandra L. Cadwalader] (nonfiction) 1984
The Nations Within: The Past and Future of American Indian Sovereignty [with Lytle] (nonfiction) 1984
A Sender of Words: Essays in Memory of John G. Neihardt [editor] (nonfiction) 1984
American Indian Policy in the Twentieth Century [editor] (nonfiction) 1985
Frank Waters: Man and Mystic [editor] (nonfiction) 1993