Gras, Norman Scott Brien <br/><br/>
History of agriculture  in Europe and America 

 - 2nd ed. 
 - New York  F S Crofts and co publishers  1946 
 - xxvii, 496p.; 22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture - history - America<br/>Agriculture - history - Europe<br/>Cultural Nomadic economy<br/>Settled village economy<br/>Town economy