Trease, George Edward, 1902- Trease and Evans' pharmacognosy / William Charles Evans - 13th ed - London : Bailliere Tindall, 1989 - 832 p. : ill. ; 25 cm Includes index ISBN: 0702013579 : LCCN: gb 89013681 Subjects--Topical Terms: Pharmacognosy LC Class. No.: RS160 Dewey Class. No.: 615/.321