Claus, Edward P. <br/><br/>
Pharmacognosy 
/ by Edward P. Claus and Varro E. Tyler, Jr. 
 - 5th ed., thoroughly rev. 
 - Philadelphia :  Lea & Febiger,  1965. 
 - 572 p. :  illus. (part col.) ;  26 cm. 
<br/><br/><label>LCCN: </label>65-024799 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pharmacognosy.