1. Principles of continuous choice and continuity of functions in formal systems for constructive mathematics;Beeson;Annals of Math. Logic,1977
2. Continuity in intuitionistic set theories;Beeson,1978
3. Extensionality and choice in constructive mathematics;Beeson;Pacific J. Math.,1980
4. Theories of finite type related to mathematical practice;Feferman,1977
5. Constructive theories of functions and classes;Feferman,1978