Seward A. C. <br/><br/>
Plant Life Throught The Ages 

 - Cambridge   University Press  1933 
 - xxi, 603p. : ill , 21 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>11  / N12