Customs unions :  a League of Nations contribution to the study of customs union problems. 

 - New York :  United Nations (UN) ,  1947 
 - ix, 98p. :  ill. ;   23 cm.  
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International economics<br/>Customs unions
<br/><br/><label>Dewey Class. No.: </label>382  / UN-2