| title | ISBN-13 | year of publication |
|---|
| From Oppression to Freedom: A Study of the Kaivani Gnostics | 978-0-9508680-4-2 | 1988 |
| Gurus Rediscovered: Biographies of Sai Baba of Shirdi and Upasni Maharaj of Sakori | 978-0-9508680-2-8 | 1986 |
| Investigating the Sai Baba Movement: A Clarification of Misrepresented Saints and Opportunism | 978-0-9525089-3-9 | 2005 |
| Meher Baba, an Iranian Liberal | 978-0-9508680-5-9 | 1988 |
| Minds and Sociocultures: Zoroastrianism and the Indian Religions v. 1: An Analysis of Religious and Dissenting Movements | 978-0-9525089-0-8 | 1995 |
| Minds and Sociocultures: Zoroastrianism, Ishraqi Philosophy, Sufism, Ramakrishna, Tantric Buddhism, Voegelin, and Other Subjects: Studies in Philosophy and Religion v. 2 | 978-0-9525089-4-6 | 2007 |
| Pointed Observations: Critical Reflections of a Citizen Philosopher on Contemporary Pseudomysticism, Alternative Therapy, David Hume, Spinoza, and Other Subjects | 978-0-9525089-1-5 | 2005 |
| Psychology in Science: Towards a Universal Science of Human Progress | 978-0-9508680-0-4 | 1984 |
| Some Philosophical Critiques and Appraisals: An Investigation of Perennial Philosophy, Cults, Occultism, Psychotherapy, and Postmodernism | 978-0-9525089-2-2 | 2004 |
| Sufi Matriarch: Hazrat Babajan | 978-0-9508680-1-1 | 1986 |