K.A. Müller: Essential Heterogeneities in Hole-Doped Cuprate Superconductors -- R. Micnas, S. Robaszkiewicz, A. Bussmann-Holder: Two-Component Scenarios for Non-Conventional (Exoctic) Superconductors -- O. Gunnarsson, J.E. Han, E. Koch, V.H. Crespi: Superconductivity in Alkali-Doped Fullerides -- S. Deng, A. Simon, J. Köhler: Pairing Mechanisms Viewed from Physics and Chemistry -- H. Keller: …