Proceeding on the early history of agriculture 

 -  1977 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>54316 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>Jvp1,N77, L7