Categorical Moral Requirements
...
Bakhurst, D., 2000. Ethical Particularism in Content. In: B. Hooker and M. O. Little, eds. 2000. Moral Particularism. Oxford: Clarendon Press; Oxford University Press, pp. 157-177.
Bakhurst, D., 2013. Moral Particularism: Ethical not Metaphysical? In: D. Bakhurst, B. Hooker and M. Little, eds. 2013. Thinking about Reasons: Themes from the Philosophy of Jonathan Dancy. Oxford: Oxford University Press, pp. 192-217.
https://doi.org/10.1093/acprof:oso/9780199604678.003.0010
Foot, P., 1978. Morality as a ...