Title: The ongoing Columbian exchange
Description: Contains primary source documents.

"This unique encyclopedia enables students to understand the myriad ways that the Columbian Exchange shaped the modern world, covering every major living organism from pathogens and plants to insects and mammals"--
Subjects: Introduced organisms, History, Modern 1601-, Communicable Diseases, History, Early Modern 1451-1600, Domestic Animals, International trade, Encyclopedias, English, Edible Plants, History, Generals, Officials and employees, Cabinet officers, United States, United States. Department of State, United States. Army, Biography, Statesmen, Plants, edible, Epidemiology