| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Homo Religiosus: Sociological Problems in the Study of Religion | 978-0-09-459570-5 (0-09-459570-4) | 1974 |
| Homo Religiosus: Sociological Problems in the Study of Religion | 978-0-312-38920-8 (0-312-38920-5) | 1974 |
| New Religions and the New Europe | 978-87-7288-433-2 (87-7288-433-9) | 1995 |
Aarhus University Press · Random House · St. Martin's Press