The encyclopedia of world knowledge :  geography part three Europe , Asia, Afria, Australia, mathematics arithmetic, algebra, geometry, biography part one / 

 - New York:   The Frontier Press Company,   ©1970. 
 - 4 vol. various paging :  28 cm. 
 -  4 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia of world.
<br/><br/><label>LC Class. No.: </label>031 
<br/><br/><label>Dewey Class. No.: </label>031