The scientists look at our world / 
W. V. Houston ...[et al.]. 
 - Philadelphia :  University of Pennsylvania press,  c 1952. 
 - 147 p. ;  22 cm. 
<br/><br/>340  340 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scientists.
<br/><br/><label>Dewey Class. No.: </label>504 / H818s