Reference Collection:

The Cambridge Dictionary of Philosophy

REF B41 .C35 2001

A World of Ideas: a dictionary of important theories, concepts, beliefs, and thinkers

REF B41 .R64 1999

Encyclopedia of Philosophy

REF B51 .E53 2005 v.1-v.10

The Blackwell Guide to Ancient Philosophy

REF B171 .B65 2003

Augustine through the Ages

REF B655.Z69 A84 1999

Historical Dictionary of Medieval Philosophy and Theology

REF B721 .B77 2007

A Companion to Metaphysics

REF BD111 .C626 1995

The Oxford Handbook of Epistemology

REF BD161 .O96 2002

The Oxford Handbook of Ethical Theory

REF BJ1012 .C675 2006

The Westminster Dictionary of Christian Ethics

REF BJ1199 .W47 1986

The Oxford Handbook of Philosophical Theology

REF BT40 .O94 2009

General Collection:

Oxford Studies in Ancient Philosophy 

B20.O24 1992

Five Dialogues

B358 .G7813 2002

The Evolution of Medieval Thought

B721 .K6 1962

Beyond Good and Evil: prelude to a philosophy of the future 

B3313.J42 E5 1998

An Introduction to the Metaphysics of St. Thomas Aquinas

BD125 .A538 1953

Philosophy of Mind: a contemporary introduction

BD418.3 .H47 2004

Faith and Philosophy

BL51 .R47 1966a