The Columbian Exchange: A History of Disease, Food, and Ideas - From the Journal of Economic Perspectives
How Disease and Conquest Carved a New Planetary Landscape - The Atlantic
1491 - Before it became the New World, the Western Hemisphere was vastly more populous and sophisticated than has been thought. -The Atlantic
Think You Know The Real Christopher Columbus? - NPR
Alfred W. Crosby on the Columbian Exchange - The historian discusses the ecological impact of Columbus’ landing in 1492 on both the Old World and the New World - Smithsonian
