Modern english
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Perrin, Porter G.
Writer's guide and index to English
Scott, Foresman, 1950
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Gramley, Stephan
A survey of modern English
Routledge , 1992
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Christ, Henry
Modern english in action
Lexington, 1982
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Wyld, H.C.
History of modern colloquial English
Oxford Blackwell 1953
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