Labor mobility and population in agriculture 
by Center for Agricultural and Economic Adjusment, Iowa State University 
 - Iowa  Iowa State University Press  1961 
 - 231p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>United States --Rural conditions<br/>Migrant labor --United States<br/>Agricultural laborers --United States
<br/><br/><label>Dewey Class. No.: </label>Z47x73 Io9