| Author | Title | Date |
| James, William | Varieties of Religious Experience | undated |
| Jinarajadasa, C. | First Principles of Theosophy | 1960 |
| Jinarajadasa, C. | How We Remember Our Past Lives | 1923 |
| Jinarajadasa, C. | Letters from the Masters of the Wisdom 1881-1888 | 1919 |
| Jocelyn, John | Meditations on the Signs of the Zodiac | 1976 |
| Johnson, Raynor C. | Imprisoned Splendour | 1953 |
| Johnson, Raynor C. | Nurslings of Immortality | 1957 |
| Johnson, Willard | Beginner's Guide to the I Ching (pamphlet) | 1969 |
| Johnston, Brenda | Life Here and Hereafter (pamphlet) | undated |
| Johnston, Brenda | New Age Healing (pamphlet) | 1983 |
| Johnston, Charles (transl.) | Bhagavad Gita | 1965 |
| Johnston, Charles (transl.) | Great Upanishads, Vol. 1 | 1927 |
| Johnston, Charles (comm.) | Yoga Sutras of Patanjali | 1912 |
| Johnston, William | Silent Music: the Science of Meditation | 1976 |
| Judah, J. Stillson | History and Philosophy of the Metaphysical Movements | 1967 |
| Jung, Carl G. | Integration of the Personality | 1963 |
| Jung, Carl G. | Man and His Symbols | 1964 |
| Jung, Carl G. | Memories, Dreams, Reflections | 1963 |
| Jung, Carl G. | Psyche and Symbol | 1958 |
| Jung, Carl G. | Psychology and Religion | 1947 |
| Jung, Carl G. | Psychology of the Unconscious | 1947 |
| Jung, Carl G. | Undiscovered Self | 1958 |
| Jurriaanse, Aart | Bridges | 1985 |
| Jurriaanse, Aart | Of Life and Other Worlds | 1974 |
| Kandinsky, Wassily | Concerning the Spiritual in Art | 1964 |
| Karagulla, Shafica | Breakthrough to Creativity | 1967 |
| Karagulla, S. & van Gelder K. | Chakras and the Human Energy Fields | 1989 |
| Karagulla, S. & Neal, V.P. | Through the Curtain | 1983 |
| Keloharju, Raimo | Relativity of Reality: The Nature of Unity | 1995 |
| Kezer, Robert A. | 12 Years: The Long Road Back | 2001 |
| Khan, Hazrat Inayat | Sufi Message of Hazrat Inayat Khan, Vol. 1 | 1960 |
| Khan, Hazrat Inayat | Sufi Message of Hazrat Inayat Khan, Vol. 2 | 1960 |
| Kilner, Walter J. | Human Aura | 1965 |
| Kilpatrick, J. & S. Danziger | Better than Money Can Buy: The New Volunteers | 1996 |
| Koch, Rudolf | Book of Signs | undated |
| Krishnamacharya, E. | Mystic Mantrams and Master C.V.V. | 1992 |
| Krishnamacharya, E. | Spiritual Astrology | 1983 |
| Krishnamacharya, E. | Spiritual Psychology | 1983 |
| Kirshnamurti, J. | Education and the Significance of Life | 1953 |
| Kirshnamurti, J. | The Flight of the Eagle | 1973 |
| Kirshnamurti, J. | Think on These Things | 1970 |
| Kuhlewind, Georg | From Normal to Healthy | 1988 |
| Kuhlewind, Georg | Life of the Soul | 1990 |
| Kumar, K. Parvathi | Aquarian Master | 1993 |
| Kumar, K. Parvathi | Hercules: The Man and the Symbol | 1999 |
| Kumar, K. Parvathi | Jupiter: the Path of Expansion | 2001 |
| Kumar, K. Parvathi | Mantrams. Compact Disc | 2001 |
| Kumar, K. Parvathi | Mantrams: Their Significance and Practice | 2000 |
| Kumar, K. Parvathi | Master E.K.: the New Age Teacher | 2001 |
| Kumar, K. Parvathi | On Healing | 1995 |
| Kumar, K. Parvathi | Saturn: the Path to Systematized Growth | 2001 |
| Kumar, K. Parvathi | Sound: the Key and its Application | undated |
