Adler,Mortimer J., <br/><br/>
Ptolemy Copernicus Kepler 
 Vol - 16. 
by Mortimer J. Adler 
 - 1st Ed.   Rep. 
 - Chicago:  Encyclopedia Britannica,Inc,  1952. 
 - 1085p.:  20cm. 
<br/><br/><label>Subjects--Index Terms: </label>Encyclopedias in English 
<br/><br/><label>Dewey Class. No.: </label>032.02