Sex & sexuality, 1640-1940: Literary, medical and sociological perspectivesPart 1: 17th-19th century texts covering sexual habits, advice books, medical works, literary works, moral guidance, prostitution and the sociology of sex. Part 2: Romantic friendships and lesbian relationships in literature and history from the classical period to the beginning of the twentieth century. Parts 3 and 4: Erotica, 1650-1900, from the Private Case Collection at the British Library, London.