| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| John Wesley and the Bible: A Psychological Study | 978-91-22-00216-1 (91-22-00216-2) | 1974 |
| John Wesley and the Bible: A psychological study | 978-91-554-0128-3 (91-554-0128-7) | 1974 |
| Psychological Studies on Religious Man | 978-91-554-0801-5 (91-554-0801-X) | 1979 |