Studies in the Psychology of Sex, Volume 2: Sexual Inversion

One of the earliest serious scientific studies of homosexuality, published when same-sex attraction carried severe criminal penalties in England. Havelock Ellis argued that what he termed "sexual inversion" was an inherent trait rather than a moral failing or social aberration, a position so radical in 1900 that the book was suppressed in England and published in the United States instead. Drawing on case studies, historical examples, and contemporary observations, Ellis examined the phenomenon in both men and women, distinguishing between different forms of same-sex attraction while documenting the psychological toll of living under laws that criminalized existence itself. The work laid foundational stones for the emerging field of sexology, offering a scholarly counterargument to prevailing Victorian morality. Though dated in its terminology and theoretical framework, this remains a vital document for understanding how early advocates began the slow work of reframing homosexuality from pathology to permutation. Essential reading for anyone interested in the history of sexuality, LGBTQ+ rights, or the birth of sexology as a discipline.