McCann, James C  <br/><br/>
Maize and gravce:   Africa's encounter with a new world Crop 1500 - 2000 

 - Cambridge:  Harvard University Press,  2005 
 - xiii, 289p.:  ill.;  22cm. 
<br/><br/><label>ISBN: </label>0674017188 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Corn - Africa History
<br/><br/><label>LC Class. No.: </label>HIS SB191.M2M14