Norman, OK: University of Oklahoma Press, (ca 1990, c 1970). Pioneering work on the use of botanical drugs by Native Americans, originally published in 1970. Includes a very substantial appendix on the contributions to pharmacology. A title in The Civilization of the American Indian series. Includes a new preface to the paperback edition, dated in 1990. Footnotes appear at end of book, index of botanical names, index. bibliography. xiv, 578 pp. ISBN: 0-806122935.