Silverberg, R. (1964). Sadism: [a documented study of the strange ecstasies that some human beings find in the infliction of pain] / L.T. Woodward [Pseud.]. Lancer.

Silverberg, Robert. Sadism: [a Documented Study of the Strange Ecstasies That Some Human Beings Find in the Infliction of Pain] / L.T. Woodward [Pseud.]. New York: Lancer, 1964.

Silverberg, Robert. Sadism: [a Documented Study of the Strange Ecstasies That Some Human Beings Find in the Infliction of Pain] / L.T. Woodward [Pseud.]. Lancer, 1964.