Whitten, D.G.A., 1921-
The Penguin Dictionary of geology
Penguin Books, 1972
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Whitten, D.G.A., 1921-
The penguin dictionary of geology/D.G.A.Whitten,J.R.V.Brooks
Victoria Penguin Books 1972,
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Himus, Godfrey W.
A dictionary of geology
Harmondsworth, Middlesex, 1954
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The Penguin dictionary of mathematics
edited by David Nelson
Penguin Books, 2003
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Mautner, Thomas
The Penguin dictionary of philosophy
Penguin Book, 2005
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