1. Explaining Value and other essays;Harman,2000
2. Moral Minds: How Nature Designed our Universal Sense of Right and Wrong;Hauser,2006
3. Universal moral grammar: theory, evidence and the future;Mikhail;Trends Cogn. Sci.,2007
4. A Theory of Justice;Rawls,1971
5. Aspects of the Theory of Syntax;Chomsky,1965