1. Adcock, C. (1990). James Turrell: The art of light and space. Berkeley CA: University of California Press.
2. Avant, L.L. (1965). Vision in the Ganzfeld. Psychological Bulletin, 64, 246–258.
3. Benson, C. (1993). The absorbed self Pragmatism, psychology and aesthetic experience. London: Harvester Wheatsheaf.
4. Benson, C. (in press for 2001). The cultural psychology of self Place, art and morality in human worlds. London: Routledge.
5. Bloom, P., Peterson, M., Nadel, L., & Garrett, M.F. (Eds) (1996). Language and space. Cambridge, MA.: MIT Press.