Mayr, Ernst <br/><br/>
Systematics and the Origin of Species  from the Viewpoint of a Zoologist 

 - New York  Columbia University Press  1942 
 - 334 
<br/><br/> Zb mean Botany Page 500-509 (Acc. No. Zb1-Zb343) & Page 578-581 (Acc. No. Zb344-Zb468) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Species
<br/><br/><label>Dewey Class. No.: </label>Zb465