Viola, Herman J. & Margolis, Carolyn
Seeds of Change Five hundred years since Columbus
ISBN: 
Book Number: 4478
Smithsonian Institute Press Washington1991 Folio. Softcover. 278pp. Index. Colour & b/w illus.good condition, bumped corners.
Keywords: history americas sugar maize potatoes wine horses trade world wideroutes columbusenviromental change vermin pests environmental damage import quarantine customs immigration disease seeds
Price: $10.00