1. Foundations of Constructive Mathematics;Beeson,1985
2. Formal theories for transfinite iterations of generalized inductive definitions and some subsystems of analysis;Feferman,1970
3. A language and axioms for explicit mathematics;Feferman,1975
4. Constructive theories of functions and classes;Feferman,1979
5. A theory of variable types;Feferman;Rev. Colombiana Mat.,1981