1. Talk at Int. Conf. on High-energy physics;Zumino,1981
2. Recent developments in gauge theories;'t Hooft,1980
3. Proc. Int. Symp. on Lepton and photon interactions at high energies;Peskin,1981
4. Talk at 2nd Workshop on Unification of the fundamental particle interactions;Peccei,1981-1981
5. Quarks and leptons as composite goldstone fermions