Evans, William C Trease and Evans' pharmacognosy / William C Evans. - 16th ed. - New York Elsiver Limited, 2009 - vi, 603 p. : tables, ill. figs, picture. ; 28 cm. Includes index. ISBN: 9780702029332 9780702029349 Subjects--Topical Terms: Pharmacognosy Dewey Class. No.: 615.321 / EVP