The Johanna Spyri and Heidi archives in Zurich have been inscribed on the “International Memory of the World Register” of UNESCO, the United Nations Educational, Scientific and Cultural Organization. This decision is a recognition of the archives’ global importance, according to a press release by the University of Zurich, which led the application for inclusion. The university said it “intends to promote the scientific study of these collections”. Heidi, the little mountain girl created by author Johanna Spyri, has been part of Switzerland's cultural heritage for more than a century, and has left a mark on art and popular culture around the world. Two collections in Zurich are dedicated to her: the Johanna Spyri Archive, managed by the Swiss Institute for Youth and Media (ISJM), associated with the University of Zurich; and the Heidi Heritage Project (Heidiseum), where the University of Zurich is responsible for the scientific side. The two archives include valuable original...