Leonard, Jonathan Norton,  1903-1975. <br/><br/>
The first farmers 
by Jonathan Norton Leonard and the editors of Time-Life Books 
 - New York  Time-Life Books  [1973] 
 - 160 p.  illus. (part col.)  27 cm. 
 - The Emergence of man .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Origin
<br/><br/><label>Dewey Class. No.: </label>630  / .9  / 012