Schmidt, M. A. (2017). Planes of phenomenological experience: The psychology of deafness as an early example of American Gestalt psychology, 1928–1940. History of Psychology, 20(4), 347–364, doi:10.1037/hop0000074.
Fritz Heider (1944). Social perception and phenomenal causality. Psychological Review, 51, S. 358–374, doi:10.1037/h0055425.
