Seeds of change :  a quincentennial commemoration / 
edited by Herman J. Viola and Carolyn Margolis. 
 - 277 pages :  color illustrations ;  30 cm 
<br/><br/><label>ISBN: </label>1560980362 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethnobotany--North America.<br/>Indians of North America--Exhibitions.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>America--Discovery and exploration--Exhibitions.<br/>America--History--Exhibitions.