Multicausality of the Catastrophe: Theory and Facts
Massimo Livi Bacci, University of Firenze

A Case of Mistaken Identity! Leprosy, Measles, or Smallpox? Old World Names for a New World Disease: Bartonollosis
James Bartholomay Kiracofe, Independent Scholar

The Death of Huayna Capac Re-Examined
Teodoro Hampe-Martíenez, Pontifica Universidad Católica, Lima
Robert McCaa, University of Minnesota, Minneapolis
Aleta Nimlos, University of Minnesota, Minneapolis

The Climate Connection: Large Epidemics of Hemorrhagic Fevers in Mexico in the Sixteenth Century
Rodolfo Acuña-Soto, Universidad Nacional Autonóma de Mexico