1. The type theoretic interpretation of constructive set theory;Aczel,1978
2. Non-Well-Founded Sets;Aczel,1988
3. Interpreting classical theories in constructive ones;Avigad;J. Symbolic Logic,2000
4. Admissible Sets and Structures: An Approach to Definability Theory;Barwise,1975
5. Foundations of Constructive Mathematics: Metamathematical Studies;Beeson,1985