Dreger, A. D. (1998). Hermaphrodites and the medical invention of sex. Harvard University Press.
Fausto-Sterling, A. (2000). The five sexes, revisited. The Sciences, 40(5), 18-23.
Money, J., & Ehrhardt, A. A. (1972). Man and woman, boy and girl: The differentiation and dimorphism of gender identity from conception to maturity. Johns Hopkins University Press.
Kessler, S. J. (1990). The medical construction of gender: Case management of intersexed infants. Social Science & Medicine, 30(6), 616-618.
Butler, J. (2004). Undoing gender. Routledge.
Stryker, S. (2008). Transgender studies: Queer theory’s evil twin. GLQ: A Journal of Lesbian and Gay Studies, 14(2), 212-218.
Diamond, M. (2002). The gender binary in the twenty-first century: Does it still serve us? International Journal of Transgenderism, 6(2), 1-12.
Reiss, I. (2005). Gender theory: An introduction. Wiley-Blackwell.
Bockting, W. O., & Coleman, E. (2007). Developmental stages of the transgendered experience. International Journal of Transgenderism, 11(2), 1-29.
Blanchard, R. (2004). The concept of autogynephilia and its application to understanding gender identity disorder in men. Archives of Sexual Behavior, 33(3), 239-252.
Hoskin, R. A. (2005). The biology of sexual identity and the role of socialization. Nature Reviews Neuroscience, 6(6), 446-452.
Devor, A. H. (2004). Gender identity and sexual orientation in the transgender community. Sexual and Gender Identity Disorders: A Comprehensive Guide, 325-341.
Green, R. (2000). Sexual identity in the first five years: A follow-up study. American Journal of Psychiatry, 157(5), 674-679.
Zucker, K. J. (2004). Gender identity disorder and psychosexual problems in childhood and adolescence. Child and Adolescent Psychiatric Clinics of North America, 13(3), 665-685.
Lippa, R. A. (2007). Gender differences in personality and interests: When, where, and why? Social and Personality Psychology Compass, 1(1), 1-19.
Savin-Williams, R. C. (2001). A critique of research on sexual identity development. Journal of Adolescence, 24(1), 1-5.
Hines, M. (2004). Brain gender. Oxford University Press.
Laqueur, T. (1990). Making sex: Body and gender from the Greeks to Freud. Harvard University Press.
LeVay, S. (1991). A difference in hypothalamic structure between heterosexual and homosexual men. Science, 253(5023), 1034–1037.