Weiner, E.S.C., compiler
The Oxford guide to English usage
Clarendon Press, 1993
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The Oxford companion to the English language
editor, Tom McArthur ; managing editor, Feri McArthur
Oxford University Press, 1992
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CHalker, Sylvia
The Oxford dictionary of English grammar
Clarendon Press, 1994
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The Oxford companion to English literature
edited by Margaret Drabble
Oxford University Press, 1985
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The Compact oxford english dictionary
Clarendon Press, 1994
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