Wallis, T. E. <br/><br/>
Textbook of pharmacognosy / 
T.E.Wallis. 
 - 5th ed 
 - Islamabad :  National Book Foundation,  1967.67. 
 - xi, 652 p.  illus.   22 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pharmacognosy
<br/><br/><label>National Library of Medicine Call No.: </label>QV 752  / .W35 1967