Trease, G E . Pharmacognosy / G.E. Trease and W.C. Evans. - England : English Language Book Society , 1983. - 812p : ills ; 22cm . Includes index ISBN: 0702010812 UKP 9.50 Subjects--Index Terms: PHARMACOGNOSY Dewey Class. No.: 615.321 / TRE/P