1. J.-Y. Beziau, Universal Logic. Proceedings of the 8th International Colloquium — Logica'94, T. Childers and O. Majer (eds), Czech Academy of Sciences, Prague, 2004, pp.73–93.
2. J.-Y. Beziau, Recherches sur la Logique Universelle. PhD Thesis, Department of Mathematics, University Denis Diderot, Paris, 1995.
3. J.-Y. Beziau, Sobre a verdade lögica. PhD Thesis, Department of Philosophy, University of São Paulo, São Paulo, 1996.
4. J.-Y. Beziau, What is many-valued logic? Proceedings of the 27th International Symposium on multiple-valued logic, IEEE Computer Society, Los Alamitos, 1997, pp.117–121.
5. J.-Y. Beziau, Logic may be simple (logic, congruence and algebra). Logic and Logical Philosophy, 5 (1997), 129–147.