1. Paradoxes, Self-Reference and Truth in the 20th Century;Handbook of the History of Logic;2009
2. What is Neologicism?;Bulletin of Symbolic Logic;2006-03
3. Frege, Boolos, and Logical Objects;Journal of Philosophical Logic;2004-02
4. Traditional axiomatizations;Set Theory and its Philosophy;2004-01-15
5. Preface;Set Theory and its Philosophy;2004-01-15