Wren, R. C <br/><br/>
Potter's encyclopaedia of botanical drugs and preparations 
by R.C. Wren ; with additions by E.M. Holmes 
 - 3rd ed 
 - New Delhi  Cosmo Publications  2005 
 - xlii, 392 p. : ill. ; 22 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>8130701014 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany, Medical
<br/><br/><label>Dewey Class. No.: </label>615.32103 WRE