1. Ontological Commitments;Alston;Philosophical Studies,1958
2. Antonelli , Aldo Life on the Range: Quine's Thesis and Semantic Indeterminacy A. Torza Quantifiers, Quantifiers and Quantifiers Synthese Library Springer
3. On “On What There Is.”;Azzouni;Pacific Philosophical Quarterly,1998
4. To Be Is to Be a Value of a Variable (or to be Some Values of Some Variables);Boolos;Journal of Philosophy,1984