1. J.W. Addison, L. Henkin & A. Tarski [1965] The Theory of Models, Proceedings of the 1963 International Symposium at Berkeley (North-Holland, Amsterdam)
2. Logic, Merhodology and Philosophy of Science,1965
3. Infinitary logic and admissible sets;Barwise;J. Symbolic Logic,1969
4. Admissible Sers and Structures,1975
5. The next admissible set;Barwise;J. Symbolic Logic,1971