- Symonds, John Addington A problem in Greek ethics : Being an inquiry into the phenomenon of sexual inversion : Addressed especially to medical psychologists and jurists 1901
- Symonds, John Addington A problem in modern ethics : Being an inquiry into the phenomenon of sexual inversion : Addressed especially to medical psychologists and jurists 1896
- Ellis, Havelock; Symonds, John Addington; Kurella, Hans (red.) … Das konträre Geschlechtsgefühl 1896