1. Kurt Gödel, The Consistency of the Continuum Hypothesis (Princeton 1940).
2. John L. Kelley, General Topology (Princeton 1955).
3. S. C. Kleene, Introduction to Metamathematics (Princeton 1952).
4. Saunders MacLane, Locally Small Categories and the Foundations of Set Theory. Infinitistic Methods (Warsaw 1961).
5. A. C. Sugar, and Patrick Suppes, Axiomatic Foundations of Classical Particle Mechanics;McKinsey;Journal of Rational Mechanics and Analysis,1953