Pharmacognosy - Tyler, Varro E.; Brady, Lynn R. 1933-.; Robbers, James E.; Claus, Edward P. (Philadelphia Lea & Febiger, 1976)
First-3d editions by E. N. Gathercoal and E. H. Wirth; 4th-6th editions by E. P. Claus and others.
Keywords: Pharmacognosy