The Columbian exchange
Subjects
- agriculture
- biogéographie
- biogeography
- columbus, christopher, 1451-1506
- communicable diseases
- discovery and exploration
- diseases
- edible plants
- géographie médicale
- histoire
- history
- history (discipline)
- indians
- indiens d'amérique
- maladies
- medical geography
- north american indians
- phytogeography
- zoogeography