Claus, Edward P Pharmacognosy / Edward P. Claus. - Rep - New York : Lea & Fibiger, c1999. - xii, 518 p. : ill.;, figs.;, tables.;, maps.; 23 cm. Includes index. Dept. of Pharmacy. Subjects--Topical Terms: Pharmacognosy / Dewey Class. No.: 615.321 / CLP