Willcox, Walter F., ed. <br/><br/>
International migrations. 

 - New York  National Bureau of Economic Research  1931. 
 - v 
<br/><br/><label>LCCN: </label>evl75084194 //r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Emigration and immigration--Statistics.
<br/><br/><label>LC Class. No.: </label>JV6029  / .I55 
<br/><br/><label>Dewey Class. No.: </label>325/.021/2