| Title | Journal | Journal Categories | Citations | Publication Date |
|---|---|---|---|---|
| An Estimate of the Number of Vegetarians in the World | 2010 | |||
| The Stanford Encyclopedia of Philosophy. Metaphysics Research Lab | 2019 | |||
| Philosophers without Gods: Meditations on Atheism and the Secular Life | 2006 | |||
| The Enigma of Reason | 2017 | |||
| Whatever Happened to Good and Evil? | 2003 |