Overview of Cluster Theories for Condensed Matter Systems; Hartree-Fock Cluster Procedure for Study of Hyperfine Properties; T.P. Das. Embedding Theory and Quantum Cluster Simulations of Point Defects in Ionic Solids; J. Vail. Density-functional Full-potential Multiple Scattering Calculations for Free and Embedded Clusters; R. Zeller, K.F.A. Jülich. Reactions on Metal and Semiconductor Surfaces; J.L. Whitten. Cluster Studies of La2CuO4: Geometric Distortion Accompanying Doping; R.L. Martin. Neutron Magnetic Form Factor in Insulation Transitionmetal Compounds via Cluster Calculations; T.A. Kaplan, et al. The Ground and Excited States of Oxides; P.S. Bagus, et al. Covalent Carbon Compounds: From Diamond Crystallites to Fullerene-assembled Polymers; M. Pederson. Quantum Monte Carlo for Electronic Structure of Solids; L. Mitá&stilde;. Localized-site Cluster Expansions; M.A. Garcia-Back. Generation and Solution of Effective Manybody Hamiltonians for Rare Earth and Transition Metal Compounds; A.K. McMahon. Numerical Studies of Strongly Correlated Electronic Systems; A. Moreo. Index.