1. Principles of Chemical Equilibrium, Cambridge Univ. Press, 1955.
2. Introduction to Statistical Mechanics, Oxford Univ. Press, 1949.
3. Statistical Thermodynamics, Cambridge Univ. Press, 3rd Impression, 1952.
4. Elements of Statistical Mechanics, Reinhold, N.V., 1954.
5. Statistical Mechanics, McGraw-Hill, 1956.