Viereck, Phillip. <br/><br/>
The  third  planet. ( People using the earth ) 

 - 1st /   1971. 
 - New York:  The Macmllan Company.  1971. 
 - 297p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Geography, Geography. 
<br/><br/><label>Dewey Class. No.: </label>910