Input (grade 4): Little, Lester K., ed/O., Plague and the End of Antiquity: The Pandemic of 541 - 750, Cambridge, 2006.
Output (grade 6): The Plague of JustinianLittle, Lester K., ed/O., Plague and the End of Antiquity: The Pandemic of 541 - 750, Cambridge, 2006.