The Eastern Schism: A Study of the Papacy and the Eastern Churches ...
Steven Runciman
The Colossal Book of Mathematics: Classic Puzzles, Paradoxes, ...
Martin Gardner
Intellect
Mortimer Jerome Adler
From Kant to Hilbert Volume 1: A Source Book in the Foundations ...
William Bragg Ewald
Games to Play and Games Not to Play: Strategic Decisions via ...
Joseph Agassi & Uri Weiss
Stonehenge
Bernard Cornwell