Foreword.- Lectures.- Classical Scattering Theory.- Geometric Methods in Scattering Theory.- Three-Body Coulomb Scattering.- Inverse Spectral and Scattering Theory.- Time Delay of Quantum Scattering Processes.- Finiteness of Total Cross-Sections.- Analyticity Properties of the S-Matrix: Historical Survey and Recent Results in S-Matrix Theory and Axiomatic Field Theory.- Scattering in Quantum Field Theory: The M.P.S.A. Approach in Complex Momentum Space.- Geometrical Aspects of Gauge Configurations.- A Brief Introduction to the Geometry of Gauge Fields.- The Geometry of Symmetry Breakingin Gauge Theories.- Geometric Aspects of Quantized Gauge Theories.- Recent Developments in Finite Energy (Topological) Monopole Theory.- Seminars.- On the Universal Low Energy Limit in Nonrelativistic Scattering Theory.- On Classical Time Delay.- A Finite-Energy SU(3) Solution Which Does not Satisfy the Bogomolny Equations.-