| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Amateur | 978-3-86930-739-8 (3-86930-739-0) | 2016 | Sébastien Lifshitz | |
| The Invisibles: Vintage Portraits of Love and Pride. Gay Couples in the Early Twentieth Century | 978-0-8478-4306-0 (0-8478-4306-8) | 2014 | ||