1. Arnheim, R. (1954). Art and visual perception. Berkeley: University of California Press.
2. Arnheim, R. (1969). Visual thinking. Berkeley: University of California Press.
3. Brandt, P. Aa. (2006). Form and meaning in art. In M. Turner (Ed.), The artful mind (pp. 171–188). Oxford, New York: Oxford University Press.
4. Brentano, F. (1874). Psychology from an empirical standpoint. London: Routledge. 1995.
5. Bullot, N. J., & Reber, R. (2013). The artful mind meets art history: toward a psycho-historical framework for the science of art appreciation. Behavioral and Brain Sciences, 36(2), 2123–2137.