Demographic yearbook 1967 

 - New York:   Uniited Nations,   1968 
 - viii, 778p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social science 
<br/><br/><label>Subjects--Index Terms: </label>Population  
<br/><br/><label>Universal Decimal Class. No.: </label>R 312(058)   / K7