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David Crystal is honorary professor of linguistics at the University of Wales, Bangor. He has written or edited over 1 books and published numerous articles for scholarly, professional, and general readerships, in fields ranging from forensic linguistics and ELT to the liturgy and Shakespeare. His books include the Cambridge Encyclopedia of Language (2nd edn 1997), the Cambridge Encyclopedia of the English Language (2nd edn 2003), Words, Words, Words (OUP 2006), and The Fight for English (OUP 2006).

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