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Bullough, Vern L., and Bonnie Bullough. Cross Dressing, Sex, and Gender. Philadelphia: University of Pennsylvania Press, 1995.

Colapinto, John. As Nature Made Him: The Boy Who Was Raised as a Girl. New York: HarperCollins, 2000.

Constantinople, Ann. "Masculinity-Femininity: An Exception to a Famous Dictum." Psychological Bulletin 80 (1973): 389–407.

Diamond, Milton. "A Critical Evaluation of the Ontogeny of Human Sexual Behavior." Quarterly Review of Biology 40 (1965): 147–175.

——. "Human Sexual Development: Biological Foundations for Social Development." Human Sexuality in Four Perspectives, edited by Frank A. Beach. Baltimore: Johns Hopkins University Press, 1977.

Garber, Marjorie. Vested Interests: Cross-Dressing and Cultural Anxiety. New York: Routledge, 1992.

Green, Richard. The "Sissy Boy Syndrome" and the Development of Homosexuality. New Haven: Yale University Press, 1987.

Jones, Steven. Y: The Descent of Men. Boston: Houghton Mifflin, 2004.

Money, John. "Hermaphroditism, Gender, and Precocity in Hyper-Andrenocorticism: Psychologic Findings." Bulletin of Johns Hopkins Hospital 96 (1955): 253–254.

Money, John, and Anke A. Ehrhardt. Man & Woman, Boy & Girl. Baltimore: Johns Hopkins University Press, 1972.

Thorne, Barrie. Girls and Boys in School: Together or Separate. Reprint, New Brunswick, N.J.: Rutgers University Press, 1993.