1. Arnheim, R 1986, ‘The Perception of Maps’, in New Essays on the Psychology of Art, University of California Press, Berkeley.
2. Benjamin, W 1999a, The Arcades Project, Harvard University Press, Cambridge, MA.
3. Benjamin, W 1999b, ‘The Work of Art in the Age of Mechanical Reproduction’, in Illuminations, ed. Hannah Arendt and trans. Harry Zohn, Pimlico, London.
4. Borges, J-L 1964, ‘The Rigor of Science’, in Dreamtigers, University of Texas Press, Austin.
5. Braun, G 1965, Civitates Orbis Terrarum, 1572–1618 – With an Introduction by R.A. Skelton, Theatrum Orbis Terrarum, Amsterdam.