Moral Realism: A Defense
- Hallvard Lillehammer reviews this book by Russ Shafer-Landau. From Notere Dame Philosophical Reviews.
- http://ndpr.nd.edu/review.cfm?id=1429

Kohlberg's Stages - Explained & Illustrated
- Illustrations to help explain the six stages of moral reasoning and to show how cognitive dissonance can be created.
- http://vtaide.com/png/Kohlberg.htm

Evolution and Philosophy
- Introduces Metaethical Functionalism and explores other implications of evolutionary theory for philosophy. Online academic papers, articles for the layman, and helpful links.
- http://www.kentvancleave.com/Evolphi/evolphi.htm

A Bibliography of Metaethics
- Compiled by James Lenman at the University of Sheffield, UK.
- http://www.shef.ac.uk/philosophy/staff/lenman/Bib.htm

Moral Responses and Moral Theory
- On the metaethical role of psychological reactions, specifically emotions.
- http://www.inform.umd.edu/PHIL/faculty/PGreenspan/Res/soc.html