1. Benjamin, W. (1999). Theses on the philosophy of history. (H. Zohn, Trans.). In H. Arendt (Ed.), Illuminations (pp. 245–255). London, England: Pimlico. (Original work published in 1950.)
2. Bibace, R., & Kharlamov, N. A. (2013). The spiral: The concept of development after Werner and Kaplan. Culture & Psychology, 19, 453–462.
3. Borges, J. L. (1962). The library of Babel. (A. Kerrigan, Trans.). In A. Kerrigan (Ed.), Ficciones (pp. 79–88). New York, NY: Grove Press. (Original work published in 1941.)
4. Clark, A., & Chalmers, D. (1998). The extended mind. Analysis, 58, 7–19.
5. Dauman, A., & Wenders. W. (Producers), & Wenders, W. (Director). (1987). Wings of desire [Motion picture]. West Germany & France: Road Movies Filmproduktion.