Sears, Paul B.  1891-1990 <br/><br/>
This is our world / 
written and illustrated by Paul B. Sears 
 - Norman :  University of Oklahoma Press,  1937 
 - 288 p. :  ill. ;  10x14 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology<br/>Man
<br/><br/><label>Dewey Class. No.: </label>574.5