Fox, James: UtilitarianismCatholic Encyclopedia. 1911. New York: Robert Appleton Company. (englanniksi)
utilitarianism.com
Bentham, Jeremy: An Introduction to the Principles of Morals and Legislation. (1789) Mineola: Dover Publications, 2009. ISBN 978-0-486-45452-8Teoksen verkkoversio. (englanniksi)