1. Coontz S (2006) Marriage: a history. Penguin, London
2. Deigh J (2002) Promises under fire. Ethics 112:483–506
3. Habib A (unpublished) Are wedding vows promises to the self?
4. Hegel GWF (1821) Elements of the philosophy of right, ed. Wood AW, trans. Nisbet HB, Cambridge University Press, Cambridge, 1991, 1995
5. Hobbes T (1651) The Leviathan, ed. Michael Oakeshott, Simon and Schuster, New York, 1962