Practical Mysticism

The Arrogance of Humanism

On Law, Morality, and Politics: Edition 2

Mysticism: A Study of the Nature and Development of Man's Spiritual Consciousness

Mystics of the Church

Medieval Philosophy: A Very Short Introduction

Light of Christ: Addresses given at the House of Retreat Pleshey, in May, 1932

Aristotle's Children: How Christians, Muslims, and Jews Rediscovered Ancient Wisdom and Illuminated the Middle Ages

The Life of the Spirit and the Life of To-day

Philosophy in the Middle Ages: The Christian, Islamic, and Jewish Traditions, Edition 3

Worship

Philovesophy

Essentials of Mysticism

Concerning the Inner Life with the House of the Soul

Maimonides: Life and Thought

Jacopone da Todi: Poet and Mystic (1228-1306): A Spiritual Biography

Dream of Reason: A History of Western Philosophy from the Greeks to the Renaissance (New Edition)

The Grey World

Simon of Genoa's Medical Lexicon