| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| FKK Reiseführer International 2008 | 978-3-930376-50-6 (3-930376-50-4) | 2008 | Peter Kirchhartz |
| International Naturist Guide / Guide Naturiste International / Internationaler FKK-Reiseführer 1978-1979 | 978-90-6117-070-9 (90-6117-070-2) | 1978 | |