A. S. Troelstra
Basic proof theory
Choice sequences
Constructivism in mathematics
Lectures on linear logic
Metamathematical investigation of intuitionistic arithmetic and analysis
Principles of intuitionism
Axioms for intuitionistic mathematics incompatible with classical logic
Bibliography of natural history travel narratives
Computability of terms and notions of realizability for intuitionistic analysis
Constructivism in Mathematics Vol. 2
Constructivism in Mathematics, Vol 1
Constructivism in Mathematics, Vol 2 Vol. II