Tove Jansson translations of classics such as J. R. R. Tolkien's "The Hobbit" and Lewis Carroll's "The Hunting of the Snark" and "Alice's Adventures in Wonderland" (some used later in Finnish translations as well). She also illustrated her late work, "The Summer Book" (1972). Several stage productions have been made from Jansson's Moomin series, including a number that Jansson herself was involved in. The earliest production was a 1949 theatrical version of "Comet in Moominland" performed at Åbo Svenska Teater. In the early 1950s, Jansson collaborated on Moomin-themed children's plays with Vivica Bandler. In 1952, Jansson designed stage settings and dresses for
Society of Swedish Literature in Finland and Swedish culture in Finland were under threat from the Finnish side. Leading cultural figures endorsed the need for an organization to preserve and mediate the Swedish cultural heritage in Finland. At the same time they sought to strengthen the identity of the Swedish-speaking population, and its understanding of its own culture. Today SLS has over 1,100 members, with around 100 employees in Helsinki and Vaasa. The SLS archives are a rich source of knowledge about Swedish-speaking Finland, its history, traditions, literature, languages, everyday life and folk music. SLS documents contemporary society and accepts donations of cultural and historical material