Hawkes, J. G. <br/><br/>
The diversity of crop plants / 
J.G. Hawkes. 
 - Cambridge, Mass. :  Harvard University Press,  1983. 
 - vi, 184 p. :  ill. ; 
<br/><br/> "Based on the John M. Prather lectures in biology ... Harvard University ... April 1977"--P. vi.  Includes index. 
<br/><br/><label>ISBN: </label>067421286X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field crops--Varieties.<br/>Field crops--Evolution.<br/>Field crops--Germplasm resources.
<br/><br/><label>LC Class. No.: </label>SB185.75  / .H38 1983 
<br/><br/><label>Dewey Class. No.: </label>631.5/2