| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Black and White | 978-3-925443-08-4 | 1991 | ||
| Black: The African Male Nude in Art & Photography, Vol. 1 | 978-1-919901-19-0 | 2004 | Leonard Zett · Willibrord Haas · Bruce Of Los Angeles | |
| Black: The African Male Nude in Art and Photography | 978-1-919901-39-8 | 2008 | Volker Janssen · Tony Butcher · Leonard Zett · Aaron Callies · J. D. Dragan · Douglas Simonson | |
| Manhatton | 978-3-925443-75-6 | 1997 | ||
| Man-Ipulation | 978-1-919901-37-4 | 2008 | ||
| Schwarzblacknoir | 978-3-925443-33-6 | 1994 | ||
| The Penis | 978-0-9584314-5-3 | 2001 | ||
Galerie Janssen · Janssen Publishers · Janssen Publishers CC