Tannsjo, Torbjorn
Understanding ethics: An Introduction to moral theory
Edinburgh University Press, 2010
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Albert, Ethel M.
Great traditions in ethics: an introduction
American Book Company, 1953
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Smith, Michael
Ethics and the a priority: selected essays on moral psychology and meta-ethics
Cambridge University Press , 2004
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Irrealism in ethics
Bart Streumer.
Wiley-Blackwell , 2014
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Kagan, Shelly
Normative Ethics
Westview Press, 1997
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