Moral rules and particular circumstances

"Bibliographical essay": p. 179-181. Morality based upon categorical imperatives. On a supposed right to tell lies from benevolent motives, by I. Kant.--Utilitarian morality, by H. Sidgwick.--What makes right acts right? by Sir D. Ross.--Utilitarianism, universalisation, and our duty to be just, by J. Harrison.--Extreme and restricted utilitarianism, by J. J. C. Smart.--What if everyone did that? by C. Strang.--Toward a credible form of utilitarianism, by R. B. Brandt.