Powers, William K. Sacred language : the nature of supernatural discourse in Lakota / by William K. Powers. - Norman : University of Oklahoma Press, c1986. - xvi, 247 p. : ill., ports. ; 22 cm. - The Civilization of the American Indian series ; #179 . - 497/.5 . Includes index. Bibliography: p. 233-242. ISBN: 0806120096 (alk. paper) : $24.95 Subjects--Topical Terms: Dakota language--Religious aspects.Lakota dialect.Sacred songs.Dakota Indians--Religion. Dewey Class. No.: 497/.5