1. Blackburn, Simon. 1993. Essays in Quasi-Realism. Oxford: Oxford University Press.
2. Enoch, David. 2001. “Once You Start Using Slippery Slope Arguments, You're on a Very Slippery Slope.” Oxford Journal of Legal Studies21: 629-47.
3. ____. 2003. “An Argument for Robust Metanormative Realism.” PhD diss., New York University, law.mscc.huji.ac.il/law1/newsite/segel/enoch/index.html.
4. ____. 2005. “Why Idealize?” Ethics115: 759-87.
5. ____. Forthcoming. “An Outline of an Argument for Robust Metanormative Realism.” In Oxford Studies in Metaethics, vol. 2. Oxford: Oxford University Press.