Studies in the Psychology of Sex Vol 1-2-3-4 by Havelock Ellis

Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism Studies in the Psychology of Sex Vol. 2 is a book published in 1900 written by Havelock Ellis (1859–1939), an English physician, writer and social reformer. The book deals with the phenomenon of sexual inversion, an outdated term for homosexuality. It is part of Ellis' seven-volume series Studies in the psychology of sex. The book has seven chapters describing the prevalence, nature and theories in the 19th century about sexual inversion in men and women. Various case studies are presented and discussed. Ellis recognised a need to address the topic of sexual inversion especially in England: Studies in the Psychology of Sex, Volume 3 Analysis of the Sexual Impulse; Love and Pain; The Sexual Impulse in Women Studies in the Psychology of Sex, Volume 4 Sexual Selection In Man