books.google.fr - Probably the greatest natural disaster to ever curse humanity, the Black Death's lethality is legendary, killing between a quarter to over half of any given stricken area's population. Though historians suspect a first wave of bubonic plague struck the Mediterranean area between 571 - 760 C.E., there...https://books.google.fr/books/about/The_Black_Death.html?hl=fr&id=yw3HmjRvVQMC&utm_source=gb-gplus-shareThe Black Death