Context:

Discussed as a revolutionary 1886 study of sexual pathology that introduced terms like 'homosexuality,' 'sadism,' and 'lust murder' to English. The author became obsessed with Jack the Ripper, including him as 'case 17' in his chapter on lust murder.

Context:

Explicitly described as 'this great book' by German psychologist Richard von Krafft-Ebing about homosexuality, which was translated into English in 1892, three years before Wilde's trial. Discussed in context of the medicalization of sexuality in the late 19th century.