The History of the Medieval World: From the Conversion of Constantine ...
Susan Wise Bauer
The Mozartian Historian: Essays on the Works of Joseph R. Levenson
Joseph Richmond Levenson
Medieval Philosophy: A Very Short Introduction
John Marenbon
Reification (knowledge representation)
Lambert M. Surhone & Mariam T. Tennoe & Susan F. Henssonow
The Bias of Communication
Harold Adams Innis
God's Battalions: The Case for the Crusades
Rodney Stark