Duckham, Alec Narraway <br/><br/>
Farming systems of the world / 
by A. N. Duckham and G. B. Masefield; assisted by R. W. Willey and Kathleen Down 
 - London :  Chatto & Windus,  1970 
 - xviii, 542 p. (1 fold.), 10 plates (1 fold.). : ill., maps. ;  24 cm. 
<br/><br/>Includes bibliographies 
<br/><br/><label>ISBN: </label>0701113618 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural systems