| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| A Parapsychological Investigation of the Theory of Psychopraxia: Experimental and Theoretical Researches into an Alternative Theory Explaining Paranormal Phenomena | 978-3-8383-2739-6 | 2010 | ||
| Parapsychology In The Twenty-First Century: Essays On The Future Of Psychical Research | 978-0-7864-1938-8 | 2004 | Michael A. Thalbourne | |
| Synchronicity. Multiple perspectives on meaningful coincidences | 978-88-95604-02-2 | 2008 | ||
| The enigma of numbers | 978-88-95604-00-8 | 2008 | ||
LAP LAMBERT Academic Publishing · McFarland & Company · Pari Publishing