1. Conservation of Isotopic Spin and Isotopic Gauge Invariance
2. Partial-symmetries of weak interactions
3. A Model of Leptons
4. Salam, A. (1968) Weak and Electromagnetic Interactions. In: Svar-tholm, N., Ed., Elementary Particle Physics: Relativistic Groups and Analyticity, 8th Nobel Symposium, Almquvist and Wiksell, Stockholm, 367-377.
5. The Quantum Theory of Fields