Thomas, Dorothy Swaine <br/><br/>
Research memorandum on migration differentials :   a report of the Committee on Migration Differentials / 
Dorothy Swaine Thomas, Rudolf  Heberle & Eleanor C. Isbell  
 - New York :  SSRC ,  1938 
 - 428p. :  ill. ;  20 cm.  
 - Facsimile copy, 1973 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Migration
<br/><br/><label>Dewey Class. No.: </label>Th 312.3  / THO