1. Where do our ideas come from?;Adams,1975
2. Block, Ned, in N. J. Block (ed.), Readings in Philosophy of Psychology, Vol. 2. Harvard Univ. Press, Cambridge, Mass.
3. Meaning and Necessity;Carnap,1947
4. Psychology and Language: An Introduction to Psycholinguistics;Clark,1977
5. Studies on Semantics in Generative Grammar;Chomsky,1972