Wharton, Clifton R. <br/><br/>
Subsistence agriculture and economic development / 
Clifton R. Wharton. 
 - Chicago :  Adline,  c1969. 
 - 481 p. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Farming--Subsistence.
<br/><br/><label>LC Class. No.: </label>S605.5  / .W53