1. How to Do Things with Words;Austin,1962
2. The mathematical language AUTOMATH, its usage and some of its extensions;de Bruijn;Lect. Notes Math.,1970
3. Out of the pragmatic wastebasket;Bar-Hillel;Ling. Inq.,1971
4. Frege: Philosophy of Language, Duckworth;Dummett,1973
5. Begriffsschift;Frege,1879