1. Berkeley, G. (1979). Three dialogues between Hylas and Philonous. Indianapolis, IN: Hackett. (Original work published 1713).
2. Clarke, T. (1965). Seeing surfaces and physical objects. In M. Black (Ed.), Philosophy in America (pp. 98–114). Ithaca, NY: Cornell University Press.
3. Currie, G., & Ravenscroft, I. (2002). Recreative minds: Imagination in philosophy and psychology. Oxford: Oxford University Press.
4. Davidson, D. (1980). Essays on actions and events. Oxford: Oxford University Press.
5. Dennett, D. C. (1996). Seeing is believing—or is it? In K. Akins (Ed.), Perception (pp. 111–131). Oxford: Oxford University Press.