First published in 1893 and written in collaboration with Josef Breuer (1842-1925), a distinguished Austrian physician that made key discoveries in neurophysiology, Studies on Hysteria introduces the famous case study of Anna O., whose real name was Bertha Pappenheim (1859–1936), an Austrian-Jewish feminist and the founder of the Jüdischer Frauenbund (League of Jewish Women). The book features a joint introductory paper, followed by five individual studies of “hysterics”, seminal for the development of psychoanalysis, and four more studies solely by Freud; finishing with a theoretical essay by Breuer and a more practice-oriented essay on therapy by Freud.