| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| BDSM: Why Am I Kinky? | 978-O-9933224-3-3 (O-9933224-3-3) | 2017 |
Stefan Vögel · Stefan Vögele · Stefan Vogel · Stefano Vaselli · Stephan Vasel · Stephan Vossel · Stephanie Vogel · Stephanus Vosloo · Steven Vogel