Lisa Lieberman · Loïc Leferme · Luke Lieberman
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Dr. Ruth's Guide to Erotic and Sensuous Pleasures | 978-1-56171-099-7 (1-56171-099-7) | 1994 | Ruth K. Westheimer | |
| Sex und Moral | 978-3-407-30535-0 (3-407-30535-4) | 1990 | Ruth Westheimer |