Leclercq, B., Richard, S., & Seron, D. (2015). Objects and pseudo-objects: Ontological deserts and jungles from Brentano to Carnap. De Gruyter.

Leclercq, Bruno, Sébastien Richard, and Denis Seron. Objects and Pseudo-objects: Ontological Deserts and Jungles from Brentano to Carnap. Boston: De Gruyter, 2015.

Leclercq, Bruno, et al. Objects and Pseudo-objects: Ontological Deserts and Jungles from Brentano to Carnap. De Gruyter, 2015.