Evans, William Charles Trease and Evans pharmacognosy William Charles Evans, revised with the assistance of Daphne Evans, . - 15th. ed.. - Noida Saunders 2008 - viii, 585p.; 29 cm. ISBN: 72026174 Subjects--Topical Terms: Pharmacognosy Herbal drugs Herbs. Dewey Class. No.: 615.321 / T73T