The Oxford Dictionary of Byzantium
Alexander P. Kazhdan
Concepts of Proof in Mathematics, Philosophy, and Computer Science
Dieter Probst & Peter Schuster
Ontos Mathematical Logic (6)
Encyclopedia of Applied Physics, 12 Volume Set
George L. Trigg
The Permanent Revolution & Results and Prospects
Leon Trotsky
The Oxford History of the Crusades
Jonathan Riley-Smith
"Most Blessed of the Patriarchs"
Annette Gordon-Reed
The Stone Reader: Modern Philosophy in 133 Arguments
Peter Catapano & Simon Critchley
How Language Began: The Story of Humanity's Greatest Invention
Daniel L. Everett