Carroll, John B.
Language and thought
Prentice-Hall, 1964
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Miller, John C.
Origins of the American revolution
Stanford University Press, 1965
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Revesz, G.
The Origins and prehistory of language
Longman, 1956
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Cohen, Morris R.
American thought : a critical sketch
Free Press, 1954
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Crawford, William R.
A century of Latin-American thought
Frederick A. Praeger, 1961
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