The Cambridge Dictionary of Philosophy
Robert Audi
The Harmonious Circle
James Webb
Philosophy of Logic, 2nd Edition
Willard van Orman Quine
The Routledge Encyclopedia of Social and Cultural Anthropology
Alan Barnard & Jonathan Spencer
Fundamentals of Mathematical Analysis
Rod Haggarty
Theism and Atheism: Opposing Arguments in Philosophy
Joseph W. Koterski & Graham Oppy