I Integral Quantum Hall Effect, Localization in High Magnetic Fields, Density of States.- II Fractional Quantum Hall Effect.- III Heterostructures and Superlattices: Optics.- IV Heterostructures and Superlattices: Transport, Bandstructure.- V Metal-Insulator Transition.- VI Semimagnetic Semiconductors, IV-VI Materials.- VII Magneto-Optics in 3D Systems.- VIII Magneto-Transport in 3D Systems, Bandstructure.- IX Very High Field Work.- Index of Contributors.