International migrations /    
edited on behalf of the National Burea u of Economic Research by Walter F. Willcox. 
 - New York :   Gordon and Breach,   1969. 
 - 2v. :    ill., maps ;    22 cm. 
 - Demographic monographs ;   v. 7-8. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Emigration and immigration --Statistics.------
<br/><br/><label>Dewey Class. No.: </label>325