Hoover, Kenneth R., 1940-, author
Thomson, 2008
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Hoover, Kenneth R., 1940-, author
Thomson, 2004
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Donovan, Todd, author
Wadsworth and Cengage Learning, 2014
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Firth, Raymond, author
Philosophical Library, 1953
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Morkuniene, Jurate
Council for Research in Values and Philosophy, 2004
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