Wren, R.C. <br/><br/>
Potter's New Cyclopaedia of Botanical Drugs and Preparations 

 - England  Health Science Press  1907 
 - 400 
<br/><br/><label>ISBN: </label>0850320097 
<br/><br/><label>Publisher. No.: </label> Premier Book Shop 
<br/><br/><label>Subjects--Personal Names: </label> Mathematics 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics