Bannock, G.
The Penguin dictionary of economics
Penguin Books, 1974
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Thomas, Merlin
The Penguin French dictionary
Penguin Books, 1985
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Bryson, Bill
The Penguin dictionary for writers and editors
Penguin Books, 1994
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Whitten, D.G.A., 1921-
The Penguin Dictionary of geology
Penguin Books, 1972
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The Penguin dictionary of chemistry
edited by D.W.A. Sharp
Penguin Books, 1983
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