1. Aristotle. On Memory and Recollection (450a).
2. Arnheim, Rudolf. Art and Visual Perception (Berkeley: University of California Press, 1974).
3. Bailey, Lee W. ‘Skull’s Lantern: Psychological Projection and the Magic Lantern,’ Spring 1986, pp. 72–87.
4. Bacon, Roger. Perspectiva. (Frankfurt, 1614).
5. Barfield, Owen. Saving the Appearances: A Study in Idolatry (New York: Harcourt, Brace and World, 1957).