| Beware of the Men of a Single Book | Mateus Soares de Azevedo | Modernism, Perennial Philosophy | | Men of a Single Book: Fundamentalism in Islam, Christianity, and Modern Thought |
| The Wound of Duality | Mark Perry | Metaphysics, Perennial Philosophy, Spiritual Life | | The Mystery of Individuality (chapter 1) |
| Essential Characteristics of Metaphysics | René Guénon | Comparative Religion, Metaphysics, Perennial Philosophy | | The Essential René Guénon: Metaphysics, Tradition and the Crisis of Modernity |
| What is Meant by Tradition | René Guénon | Comparative Religion, Modernism, Perennial Philosophy, Tradition | | The Essential René Guénon: Metaphysics, Tradition and the Crisis of Modernity |
| Some Difficulties Found in Sacred Scriptures | Frithjof Schuon | Comparative Religion, Metaphysics, Perennial Philosophy | | Form and Substance in the Religions |
| Foreword to “Frithjof Schuon and the Perennial Philosophy” | William Stoddart | Book Review, Perennial Philosophy, Frithjof Schuon | | Frithjof Schuon and the Perennial Philosophy (2010) |
| Orthodoxy and Intellectuality | Frithjof Schuon | Hinduism, Metaphysics, Modernism, Perennial Philosophy | | Language of the Self (1959, 1999); also in Stations of Wisdom (1961, 1980, 1995) |
| Letter on Existentialism | Frithjof Schuon | Metaphysics, Perennial Philosophy, Tradition | | Studies in Comparative Religion, Vol. 9, No. 2. (Spring, 1975); also in the book “The Essential Frithjof Schuon” |
| Foreword to Language of the Self | Venkataraman Raghavan | René Guénon, Hinduism, Perennial Philosophy, Frithjof Schuon | | Language of the Self |
| On the Nature of Evil | Rama P. Coomaraswamy | Christianity, Metaphysics, Perennial Philosophy, Christianity | | Projet René Guénon web site |
| The Impasse of Modern Psychology | Rama P. Coomaraswamy | Perennial Philosophy, Science, Symbolism, Tradition | | Sacred Web 9 |
| Philosophia Perennis and the Sensus Catholicus | Rama P. Coomaraswamy | Christianity, Comparative Religion, Perennial Philosophy | | World Wisdom online library |
| The Perennial Philosophy | Frithjof Schuon | Perennial Philosophy | | Frithjof Schuon and the Perennial Philosophy |
| Oriental Metaphysics | René Guénon | Comparative Religion, Metaphysics, Modernism, Perennial Philosophy | | Tomorrow, Vol. 12, No. 1. (Winter, 1964); also in the book “The Underlying Religion” |
| The New Eschatology | Lord Northbourne | Christianity, Comparative Religion, Modernism, Perennial Philosophy | | Studies in Comparative Religion, Vol. 8, No. 1. (Winter, 1974) |
| Knowledge and its Counterfeit | Charles le Gai Eaton | Comparative Religion, Modernism, Perennial Philosophy, Tradition | | Studies in Comparative Religion, Vol. 8, No. 1. (Winter, 1974) |
| Is There a Perennial Philosophy? | Huston Smith | Perennial Philosophy, Esoterism, Tradition | | The Journal of the American Academy of Religion, LV (1987):553-66 |
| Concerning Proofs of God | Frithjof Schuon | Comparative Religion, Esoterism, Metaphysics, Perennial Philosophy | | Studies in Comparative Religion, Vol. 7, No. 1. (Winter, 1973) |
| Remarks on the Sunnah | Frithjof Schuon | Esoterism, Islam, Perennial Philosophy, Spiritual Life | | Studies in Comparative Religion, Vol. 6, No. 4. (Autumn, 1972) |
| The Two Paradises | Frithjof Schuon | Comparative Religion, Cosmology, Esoterism, Perennial Philosophy, Sufism | | Studies in Comparative Religion, Vol. 6, No. 3. (Summer, 1972) |
| “A Figure of Speech, or a Figure of Thought?” (Part 2) | Ananda K. Coomaraswamy | Art, Modernism, Perennial Philosophy, Tradition | | Studies in Comparative Religion, Vol. 6, No. 2. (Spring, 1972) |
| “A Figure of Speech, or a Figure of Thought?” (Part 1) | Ananda K. Coomaraswamy | Art, Modernism, Perennial Philosophy, Tradition | | Studies in Comparative Religion, Vol. 6, No. 1. (Winter, 1972) |
| Intellectual Freedom | Lord Northbourne | Metaphysics, Islam, Sufism, Perennial Philosophy, Esoterism | | Studies in Comparative Religion, Vol. 5, No. 1. (Winter, 1971) |
| Remarks on the Enigma of the Koan | Frithjof Schuon | Buddhism, Esoterism, Perennial Philosophy, Spiritual Life | | Studies in Comparative Religion, Vol. 5, No. 2. ( Spring, 1971) |
| The Mountain and the Cave | René Guénon | Esoterism, Metaphysics, Perennial Philosophy, Symbolism | | Studies in Comparative Religion, Vol. 5, No. 2. ( Spring, 1971) |
| The Crisis of Hinduism | A.K. Saran | Hinduism, Modernism, Perennial Philosophy | | Studies in Comparative Religion, Vol. 5, No. 2. ( Spring, 1971) |
| Why Exhibit Works of Art? | Ananda K. Coomaraswamy | Art, Perennial Philosophy, Spiritual Life, Symbolism | | Studies in Comparative Religion, Vol. 5, No. 3. ( Summer, 1971) |
| Introduction to “The Underlying Religion” | Clinton Minnaar | Metaphysics, Perennial Philosophy | | The Underlying Religion: An Introduction to the Perennial Philosophy |
| The Human Margin (Part 2) | Frithjof Schuon | Christianity, Comparative Religion, Metaphysics, Perennial Philosophy | | Studies in Comparative Religion, Vol. 5, No. 4. ( Autumn, 1971) |
| The Human Margin (Part 1) | Frithjof Schuon | Christianity, Comparative Religion, Metaphysics, Perennial Philosophy | | Studies in Comparative Religion, Vol. 5, No. 3. ( Summer, 1971) |
| The Hidden Hierarchy of Existence | Kurt Almqvist | Comparative Religion, Environment and Nature, Perennial Philosophy | | Originally appeared in English in the journal “Sunrise” (vol. 22) in 1973 |
| The Question of Theodicies (revised translation) | Frithjof Schuon | Metaphysics, Comparative Religion, Cosmology, Perennial Philosophy, Comparative Religion | | Form and Substance in the Religions |
| The Nature and Arguments of Faith (revised translation) | Frithjof Schuon | Comparative Religion, Spiritual Life, Perennial Philosophy | | Stations of Wisdom |
| Foreword to Prayer Fashions Man | Reza Shah-Kazemi | Metaphysics, Perennial Philosophy | | The website of the journal “Interreligious Insight” |
| The Milk of the Virgin: the Prophet, the Saint and the Sage | Renaud Fabbri | Metaphysics, Tradition, Biography, Spiritual Life, Perennial Philosophy | | Sacred Web 20 |
| The Mystery of the Two Natures | James Cutsinger | Christianity, Comparative Religion, Metaphysics, Perennial Philosophy | | Every Branch in Me: Essay on the Meaning of Man |
| Sufi Doctrine and Method | Titus Burckhardt | Metaphysics, Islam, Sufism, Perennial Philosophy | | Sufism: Love and Wisdom |