Grigg, David B. <br/><br/>
The agricultural systems of the world :  an evolutionary approach / 
D. B. Grigg. 
 - Reprinted. 
 - London ;  New York :  Cambridge University Press,  1974 
 - ix, 358 p. :  maps ;  24 cm. 
 - Cambridge geographical studies ;  5 .
 - Cambridge geographical studies ;  5. .
<br/><br/><label>ISBN: </label>0521098432 9780521098434 0521202698 9780521202695 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural geography.<br/>Agriculture--History<br/>Geografía agrícola.<br/>Agricultura--Historia.
<br/><br/><label>LC Class. No.: </label>S 439  / G857a 1974 
<br/><br/><label>Dewey Class. No.: </label>630/.9