Preceding Freud s Three Contributions to the Theory of Sex by more than twenty years, Richard von Krafft-Ebing s Psychopathia Sexualis pioneered the psychological study of sexual behavior. This classic nineteenth-century work on sexual aberration addressed such previously taboo subjects as bestialit[...]

Originally published in 1886, "Psychopathia Sexualis" was a groundbreaking look at the immense varieties of human sexual behavior. Based upon case studies compiled by psychiatrist Richard Freiherr von Krafft-Ebing, the book is well known for coining such terms as sadism, masochism, and fetish. Among[...]