By Levinas, Emmanuel
By Clark, Stephen R.L, Stephen R L
By Rollin, Bernard E
By Taylor, Charles, Gutmann, Amy, Appiah, Kwame Anthony
By Clark, Stephen R. L.
By Regan
By Frey
By Regan, Tom
By Singer, Peter
By Singer, Helga
By Gruen, Lori, Singer, Peter, Hine, David, D.
By Richard Sorabji
By Sapontzis, S.
By Clifford, William Kingdon
By Jeffrey Burton Russell
By Kant, Immanuel, Ellington, J.W.
By Beck, Lewis White
By Aune, Bruce
By Gibney
By Harrison, Jonathan
By Kant, Immanuel, Gregor, Mary
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By Vlastos, Gregory
By Taylor, C. C. W., Hare, R. M., Barnes, Jonathan, Thomas, Keith
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By Irwin, Terence