Gloria G. Brame, William D. Brame, and Jon Jacobs. Different Loving: An Exploration of the World of Sexual Dominance and Submission. New York: Villard Books, 1993. ISBN 0-679-40873-8.
Philip Miller and Molly Devon, Screw the Roses, Send Me the Thorns: The Romance and Sexual Sorcery of Sadomasochism. Mystic Rose Books, 1995. ISBN 0-9645960-0-8.