Whelpton P K <br/><br/>
Iowa's population prospect 

 -  1934 
 - Agricultural Economics Section, Research Bulletin, 177 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography
<br/><br/><label>Dewey Class. No.: </label>Y:5.7375.N5, G4