Evans William Charles Trease and Evans' pharmacognosy / Pharmacognosy William Charles Evans. - 15th ed. / - Edinburgh ; New York : WB Saunders, 2006. - viii, 585 p. : ill. ; 29 cm. Includes bibliographical references and index. ISBN: 0702026174 0702026182 Subjects--Topical Terms: PharmacognosyPharmacognosy LC Class. No.: QV752 Dewey Class. No.: 615/.321