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2. Allen, C. (2006). Ethics and the science of animal minds. Theoretical Medicine and Bioethics, 27, 375–394.
3. Allen, C. (2010). Animal consciousness. In E. N. Zalta (Ed.), The Stanford encyclopedia of philosophy (Winter 2010 Edition). http://plato.stanford.edu/archives/win2010/entries/consciousness-animal/ . Accessed May 13, 2011.
4. Allen, C. (forthcoming). Private codes and public structures. In D. McFarland, K. Stenning, & M. McGonigle-Chalmers (Eds.), The complex mind: An interdisciplinary approach. London: Palgrave-Macmillan.
5. Allen, C., Fuchs, P. N., Shriver, A., & Wilson, H. (2005) Deciphering animal pain. In M. Aydede (Ed.), Pain: New essays on the nature of pain and the methodology of its study (pp. 352–366). Cambridge: MIT Press.