One. Broad Issues -- 1. On Formalization -- 2. The Concept of Computability [(1953)] -- 3. Process and Existence in Mathematics [1961(60)] -- 4. Logic, Computation and Philosophy [1971(66)] -- Two. Automated Theorem Proving(ATP) -- 5. Computer Theorem Proving and Artificial Intelligence [1984(82)] -- 6. Proving Theorems by Pattern Recognition, I [1960(59)] -- 7. Observations on ATP -- 8. Some Data for ATP -- 9. Proving Theorems by Pattern Recognition, II [1961(60)a] -- Three. Decidability and Complexity -- 10. Games, Logic and Computers [1965a] -- 11. Dominoes and the AEA Case of the Decision Problem [1963(62)] -- 12. Towards Feasible Solutions of the Tautology Problem (with B.Dunhan) [1976(74)] -- 13. Ranked Matching and Hospital Interns (with D.A.Martin) [(1977)] -- Four. Topics from Theory to Practice -- 14. Logical Fragments Relevant to Computer Science -- 15. Computers and Mathematical Activity -- 16. On Information Processing of the Chinese Language [1979] -- The List of the Publications of the Author