Langacker, Ronald W.
Language and its structure: some fundamental linguistic concepts
Harcourt, Brace & World, 1968
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Greenberg, Joseph H. (Joseph Harold), 1915-2001
Essays in linguistics
University of Chicago Press, 1957
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Lyons, John
Natural language and universal grammar : essays in linguistic theory; Volume 1
Cambridge University Press, 1991
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Language, text and context: essays in stylistics
edited by Michael Toolan
Routledge, 1992
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Brown, Penelope
Politeness : some universals in language usage
Cambridge University Press , 1987
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