Linda C. Raeder, John Stuart Mill and the Religion of Humanity (Columbia: University of Missouri Press, 2002).

Oliver Turnbull and Mark Solms, Te Brain and the Inner World [in Hebrew] (Tel Aviv: Hakibbutz Hameuchad, 2005), 92–96; Kent C. Berridge and Morten L. Kringelbach, ‘Afective Neuroscience of Pleasure: Reward in Humans and Animals’, Psychopharmacology 199 (2008), 457–480; Morten L. Kringelbach, Te Pleasure Center: Trust Your Animal Instincts (Oxford: Oxford University Press, 2009).