Preston, Ralph, <br/><br/>
Culture regions in the eastern hemisphere : 
Ralph Preston. 
 - United States :  Health & Company,  1973 . 
 - v, 573 pages : 
<br/><br/><label>ISBN: </label>0669482072 
<br/><br/><label>Dewey Class. No.: </label>901.9  / P92