- Concise Routledge Encyclopedia of Philosophy
- The Oxford Handbook of Philosophy of Mathematics and Logic (Oxford Handbooks)
- One Hundred Years Of Russell's Paradox: Mathematics, Logic, Philosophy (De Gruyter Series in Logic and Its Applications)
- Foundational Theories of Classical and Constructive Mathematics
- Castaneda and His Guises: Essays on the Work of Hector-Neri Castaneda