Primary Sources – Religious

A Study of Dōgen by Masao Abe

Deliverance from Error by Al-Ghazali

The Incoherence of the Philosophers by Al-Ghazali

The Proslogion of St. Anselm of Canterbury

On Behalf of the Fool by Gaunilo & Reply to Gaunilo by St. Anselm of Canterbury

The Summa Theologica by Thomas Aquinas

The Holy Bible (NKJV)

The Teaching of Buddha

Sahih al-Bukhari (as collected by Muhammad al-Bukhari)

Institutes of the Christian Religion by John Calvin

The Analects of Confucius

The Vedas compiled by the Dharmic Scriptures Team

On Divine Names & Mystical Theology by Pseudo-Dionysius the Areopagite

The Shōbōgenzō: Volume I by Eihei Dōgen

The Shōbōgenzō: Volume II by Eihei Dōgen

The Shōbōgenzō: Volume III by Eihei Dōgen

The Shōbōgenzō: Volume IV by Eihei Dōgen

Dōgen’s Extensive Record: A Translation of the Eihei Kōroku

The Complete Mystical Works of Meister Eckhart

The Book of Enoch

Ecclesiastical History by Eusebius of Caesarea

The Tibetan Book of the Dead edited by W. Y. Evans-Wentz

The Essence of Christianity by Ludwig Feuerbach

Christian Apologetics by Norman Geisler

Philosophy of Religion by Norman Geisler

The Principia Discordia by Greg Hill and Kerry Wendell Thornley

The Perennial Philosophy by Aldous Huxley

The I Ching (Book of Changes)

The Reasonableness of Christianity by John Locke

The Guide for the Perplexed by Moses Maimonides

Sahih Muslim, as collected by Imam Muslim

The Mūlamadhyamakakārikā of Nāgārjuna

On Buddhism by Keiji Nishitani

The Upanishads translated by Swami Paramananda

The Noble Qur’an

Eastern Religions & Western Thought by S. Radhakrishnan

On the Harmony of Religion and Philosophy by Ibn Rushd (Averroes)

The Incoherence of the Incoherence by Ibn Rushd (Averroes)

On Religion: Speeches to its Cultured Despisers by Friedrich Schleiermacher

The Quest of the Historical Jesus by Albert Schweitzer

Forgotten Truth by Huston Smith

The Life of Jesus, Critically Examined by David Friedrich Strauss

An Introduction to Zen Buddhism by D.T. Suzuki

The Bhagavad Gita translated by Shri Purohit Swami

The Babylonian Talmud

The Gospel of Thomas

The Courage to Be by Paul Tillich

The New Being by Paul Tillich

Christianity as Old as Creation by Matthew Tindal

The Way of Zen by Alan Watts

Writings of the Early Church Fathers

The Zohar

Notes: Internet Sacred Text Archive hosts an archive of online books about religion, mythology, folklore and the esoteric. Christian Classics Ethereal Library hosts an archive of classic Christian literature.