* Cauldwell D.O. (2001) "Desire for Surgical Sex Transmutation: An Insane Fancy of Near Males. – Reprint einer Originalarbeit" noto come: "Effects of Castration on Men and Women: Accidental, Voluntary and Involuntary Castration Eunuchism and History – Medical Treatment and Aspects by Haldeman-Julius Publications, Girard, Kansas, 1947. Copyright, 1947"