Preface (N. Cabibbo). Results from the UA1 and UA2 experiments (P. Hansen). Experimental test and theoretical predictions for electroweak processes (G. Martinelli). Weak decays of heavy quark states (R. Ruckl). Compositeness (R. Petronzio). Some aspects of supersymmetric composite models of quarks and leptons (W. Buchmüuller). Neutrino masses 1984 (M. Roncadelli). Dark matter, galaxies and large-scale structure in the Universe (J.R. Primack). Supersymmetry and supergravity (S. Ferrara). Ultraviolet divergences and supersymmetric theories (A. Sagnotti). From asymptotic freedom to fermion computer simulations: lectures in lattice gauge theory (J.B. Kogut). The deconfinement transition in finite-temperature lattice gauge theory (F. Karsch). Spin glasses (G. Parisi). Computers and theoretical physics (A.E. Terrano). Selected topics in detector physics (G. Charpak). Introduction to accelerator physics (K. Johnsen).