P. Marie, "Eunuchisme et Erotisme," Nouvelle Iconographie de la Salpêtrière, 1906, No. 5, and Progrès médical, Jan. 26, 1907.
Pedagogical Seminary, July, 1897, p. 121.
See, for instance, the case reported in another volume of these Studies ("Sexual Inversion"), in which castration was performed on a sexual invert without effecting any change.