A. R. Harding. Ginseng and Other Medicinal Plants: A Book of Valuable Information for Growers as Well as Collectors of Medicinal Roots, Barks, Leaves, Etc. Columbus, OH: A. R. Harding, 1972. Reprint edition. From The Ronald K. Siegel Collection of Books on Psychoactive Plants and Drugs.12mo. (7in. x 5in.). 367pp. Illustrated with black.....