次の文献を某HPからDLさせていただく。
- Bertrand Russell “Chapter V Denoting” in his Principles of Mathematics, 1903
- ditto “Appendix A. The Logical and Arithmetical Doctrines of Frege” in his Principles of Mathematics, 1903
- A. Meinong “The Theory of Objects”, translated by R. Chisholm, in R. Chisholm ed., Realism and the Background of Phenomenology, Free Press, 1960