Craig, Edward. 2020. Philosophy: A Very Short Introduction. 2nd edn. Oxford: Oxford University Press.
Crisp, Roger and Ebooks Corporation Limited. 1997. Routledge Philosophy Guidebook to Mill on Utilitarianism. Vol. Routledge philosophy guidebooks. London: Routledge.
Driver, Julia and Ebooks Corporation Limited. 2006. Ethics: The Fundamentals. Vol. 1. Malden, Massachusetts: Blackwell Publishing.
Hume, David, and Richard H. Popkin. 1998. Dialogues Concerning Natural Religion: The Posthumous Essays, Of the Immortality of the Soul, and Of Suicide, from An Enquiry Concerning Human Understanding, Of Miracles. 2nd ed. Indianapolis: Hackett Publishing Company.
Mill, John Stuart, and Roger Crisp. 1998. Utilitarianism. Vol. Oxford philosophical texts. Oxford: Oxford University Press.
Moore, G. E. 1993. Principia Ethica. 2nd ed. Cambridge: Cambridge University Press.
Taliaferro, Charles. 2011. Aesthetics: A Beginner’s Guide (Beginner’s Guides). Oneworld Publications.