Clark, Colin, 1905-  Clark, Colin, 1905- <br/><br/>
The economics of subsistence agriculture / 
by Colin Clark and Margaret Haswell. 
 - London :  Macmillan,  1964. 
<br/><br/> Corrigendum slip inserted on p. 198. 
<br/><br/>Bibliography: p. [199]-207. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture -- Economic aspects.--Agriculture -- Economic aspects.