1. Boddice, R. (2012). Species of compassion, aesthetics, anaesthetics, and pain. Interdisciplinary Studies in the Long Nineteenth Century, 15, 19.
2. French, R. D. (1975). Antivivisection and medical science in victorian society. Princeton, NJ: Princeton University Press.
3. Giubilini, A., and Minerva, F. (2013). After-birth abortion: Why should the baby live? Journal of Medical Ethics, 39(6), 261–263.
4. Godlovitch, S., Godlovitch, R., & Harris, J. (Eds.). (1972). Animals, men, and morals: An enquiry into the maltreatment of non-humans. New York: Taplinger.
5. Linzey, A. (1994). Animal theology. London: SCM Press.