Knedler, John Warren <br/><br/>
Masterworks of Science : 
Vol. 2 
 - London  McGraw-Hill Book Company   1947 
 - 245 
<br/><br/> 004736 
<br/><br/><label>Publisher. No.: </label> Premier Book Shop 
<br/><br/><label>Subjects--Personal Names: </label> MSc Botany 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany