Williams C B <br/><br/>
Migration of butterflies 
Williams C B 
 -  1930 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>53857 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Insects<br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>K867:58, G0