Hyde, George E. Indians of the High Plains from the prehistoric period to the coming of Europeans. - [1st ed.] - Norman University of Oklahoma Press [1959] - 231 p. illus. 24 cm. - The Civilization of the American Indian series . Includes bibliography. LCCN: 59007963 /L/r853 Subjects--Topical Terms: Indians of North America--History.--West (U.S.) LC Class. No.: E78.W5 / H97 Dewey Class. No.: 970.1