Cowles encyclopedia of science, industry, and technology. 
[Benedict A. Leerburger, Jr., managing editor. 
 - New York]  Cowles Education Corp.  [1967] 
 - viii, 510 p.  illus. (part col.)  28 cm. 
<br/><br/> 920318 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>67026332  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science<br/>Technology
<br/><br/><label>LC Class. No.: </label>Q158  / .C6 
<br/><br/><label>Dewey Class. No.: </label>500