The Harper encyclopedia of science /  
Edited by James R. Newman...[et al.] 
 - 1st ed. 
 - New york :   Harper and row,  c 1963. 
 - Vols. :   ill. ;   29 cm. 
<br/><br/>V. 2- (E through L); 
<br/><br/>320  320 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Encyclopedia.
<br/><br/><label>Dewey Class. No.: </label>503 / H231