Marsland Douglas <br/><br/>
Principles of modern biology 
by Marsland Douglas 
 - New York   Henry Holt       1951 
 - xv,757p.  cm. 
<br/><br/><label>Standard No.: </label>70733 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>G, J12