Clark,Colin <br/><br/>
The Eoconomics of Subsistence Agriculture / 
Colin Clark And Margarat haswell 
 - 3rd Ed 
 - New York :  ST Martin Press,  1967 
 - vi, 245p. :  Ill. ;  21cm. 
<br/><br/>Includes Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Subsistence Agriculture 
<br/><br/><label>Dewey Class. No.: </label>338.1  / CLE