• Transsexuality and sex reassignment emerged as a unifying thread, connecting clinical diagnosis, adolescent development, and social-structural questions about gender identity, surgery, and policy across cultures [1], [12], [14], [15].

• Sociological and anthropological framing of homosexuality as a socially constructed category, across male/female, urban/suburban, and international contexts, with debates on deviance, sexuality, and queer politics [3], [4], [5], [6], [7], [16], [13], [20].

• Cross-cultural and subcultural variation in sexual norms and attitudes, comparing sequences of liberalization and conservatism in America, Scandinavia, and ethnic subcultures; uses ethnographic and longitudinal designs to show changing sexual scripts [9], [8], [11], [18], [10].

• Critical examinations of sexual normativity and 'deviance' labelling, exploring how sexuality is moralized, criminalized, or celebrated, with discussions of 'the social creation of evil' and the politics of queer identities [20], [2], [7], [3].

• Psychodynamic and developmental perspectives on sexuality, examining female sexuality, psychosexual development, and shifts in sexual ideas in mental illness, highlighting interplay between theory and clinical experience [19], [17], [13].