Longman dictionary of the English language
Longman, 1984
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New webster's dictionary of the english language
Delair , 1981
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Skeat, Walter W.
A concise etymological dictionary of the English language
The Clarendon Press, 1948
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Collins COBUILD English language dictionary
editor in chief John Sinclair
Collins, 1991
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The American heritage: dictionary of the English language
editor, William Morris
Houghton Miffiln, 1976
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