Religion and Religions (Opera Omnia II)
Mysticism & Spirituality (Opera Omnia I.2)
Mysticism & Spirituality (Opera Omnia I.1)
Buddhism
Hinduism (Opera Omnia IV.2)
Hinduism (Opera Omnia IV.1)
Christianity (Opera Omnia III.2)
Christianity (Opera Omnia III.1)
Cultures and Religions in Dialogue (Opera Omnia VI.1)
Opera Omnia Volume XI: Sacred Secularity
Opera Omnia Volume X: Philosophy and Theology - Part Two
Space, Time, and Science (OPERA OMNIA VOLUME XII)
Opera Omnia Volume X: Philosophy and Theology - Part One
Mystery and Hermeneutics. Part 2: Faith, Hermeneutics, and Word (Opera Omnia IX.2)
Mystery and Hermeneutics. Part 1: Myth, Symbol, and Ritual (Opera Omnia IX.1)
Trinitarian and Cosmotheandric Vision (Opera Omnia Vol. VIII)
Hinduism and Christianity (Opera Omnia, VII)
Cultures and Religions in Dialogue (Opera Omnia VI.2)