Lewis, Edward E. <br/><br/>
The mobility of the negro :  a study in the American labor supply / 
Edward E. Lewis 
 - New York :  Columbia University Press,  c1931 
 - 144 p. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cotton growing--Southern States<br/>African Americans<br/>African Americans--Employment
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Southern States--Economic conditions--1918-