Clegg & Guttmann, “The Open Library”, 1991, Locations 1, 2, and 3. Three book cases were built and placed outdoors in different suburbs of Graz. The book cases functioned as lending libraries for a period of three months. A notice on each book case instructed the public to ‘take a limited number of books fro a limited amount of time’. The books were collected from the local inhabitants who donated them for was termed ‘A Free Open Library’.