1. Induced Representations of Groups and Quantum Mechanics, (Benjamin, New York 1968), Group Representations and Applications, Oxford Lectures 1966–67).
2. On Unitary Representations of the Inhomogeneous Lorentz Group
3. Group Theory (Academic Press, New York 1959).
4. , , Representations of the Rotation and Lorentz Groups (Pergamon, New York 1963).
5. and , Relativistic Quantum Mechanics (McGraw-Hill, New York 1964).