Mind, Oxford University Press, New York. Feigl, Herbert (1958). "The 'Mental' and the 'Physical'" in Feigl, H., Scriven, M. and Maxwell, G. (eds.) Concepts
Oppenheim, Paul; Putnam, Hilary. Unity of science as a working hypothesis. Feigl, Herbert (编). Concepts, theories and the mind–body problem. Minnesota studies