1. Can individual elementary particles have individual properties?
2. See also Measurements and Time Reversal in Objective Quantum Theory (Pergamon, Oxford, 1975).
3. Interference of Independent Photon Beams
4. A Survey of Hidden-Variables Theories (Pergamon, Oxford, 1973).
5. Conceptual Foundations of Quantum Mechanics (Benjamin, Menlo Park, CA, 1971); published with a six-page listing of printing errors.