1. Bacigalupo, G. 2016. Whose Existence? A Deflationist Compromise to the Fregean/Neo-Meinongian Divide. Argumenta 3: 5–24.
2. Berto, F. 2013. Existence As a Real Property. Dordrecht: Springer.
3. Brentano, F. 20122. Psychology from an Empirical Standpoint. London: Routledge.
4. Crane, T. 2001. Elements of Mind. Oxford: Oxford University Press.
5. ———. 2013. The Objects of Thought. Oxford: Oxford University Press.