1. Histoire de la Circoncision, Des Origines à Nos Jours (A History of Circumcision, from its Origins to the Present Day);Chebel,1992
2. Le Corps Sectionné (The Body Dissected);Maertens,1978
3. The Sexuality of Christ in Renaissance Art and in Modern Oblivion;Steinberg,1996
4. Kruisen, Relieken en Wonderen (Crosses, Relics and Miracles);Van Gilst,2002
5. Die hochheilige Vorhaut Christi im Kult und in der Theologie der Papstkirche (The Most Sacred Foreskin of Christ as a Cult Object and in the Theology of the Catholic Church);Müller,1907