The Europa Year Book 1973 :  A World Survey. 

 - London :  Europa Publications Ltd.,  1973. 
 - 2 v.  ill., maps. 
<br/><br/> Vol. 1 (xxi, 1546 p.) :  Vol. 2 (xii, 1801 p.) : 
<br/><br/><label>ISBN: </label>090036257X (V. 1) 0900362588 (V. 2) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Year book--Europa<br/>World Survey--Europa