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3. Charles, David: ‘Comments on M. Nussbaum’, in Patzig (Ed.), Aristoteles' “Politik”, pp. 187–201.
4. Cooper, John M.: ‘Political Animals and Civic Friendship’, in Patzig (Ed.), Aristoteles' “Politik”, pp. 220–241.
5. de Ste. Croix, G. E. M.: 1981, The Class Struggle in the Ancient Greek World, London.