Underhill, Ruth Murray The Navajos. - Norman University of Oklahoma Press [1956] - xvi, 299 p. illus., ports., maps. 24 cm. - The Civilization of the American Indian series 43 . - Civilization of the American Indian series v. 43. . Bibliography: p. 275-288. LCCN: 56005996 //r853 Subjects--Topical Terms: Navajo Indians LC Class. No.: E99.N3 / U32 Dewey Class. No.: 970.3