Sloane, Thomas O.
Encyclopedia of rhetoric
Oxford University Press, 2001
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The encyclopedia American
Americana Corporation, 1980
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Hiebert, Murray
The encyclopedia of leadership
Mc Graw-Hill , 2001
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Feather, Leonard
The Encyclopedia of jazz
Horizon Press, 1960
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The Linguistics encyclopedia
edited by Kirsten Malmkjær, James M. Anderson
Routledge, 1991
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