Dark Matter: Key Issues.- Dark Matter in the Galactic Disk.- Extreme M Dwarfs and Brown Dwarfs in A Deep CCD Survey.- Kinematics of the Galactic Inner Spheroid.- Relatively Dark Matter: The Local Mass Density of Stellar Remnants.- The Dynamics of Open Clusters 35.- Seen and Unseen Matter in the Galactic Disc.- Kinematics of Nearby FV Stars.- The Local Galactic Escape Velocity.- Constraints on the Dark Matter from Optical Rotation Curves.- Differences in Mass Distribution for Field and Cluster Spiral Galaxies 66.- HI Rotation Curves of Galaxies.- Kinematics and Warp in NGC 4565.- Mass/Luminosity Ratios from Rotation of HI IN SO Galaxies.- Mass Determinations and Dark Matter at Intermediate Scales.- The Mass of the Binary Galaxies NGC 4038/39 (The "Antennae").- Radial Velocities of Remote Globular Clusters.- The Trouble with Binary Galaxies.- Evidence for Dark Matter in Galactic Systems.- Galaxy Luminosity Functions, M/L Ratios, and Closure of the Universe.- About the Coma Cluster (Progress Report).- Estimating the Masses of Galaxy Groups: Alternatives to the Virial Theorem.- Biases in Mass Estimates of Groups of Galaxies.- The Peculiar Velocity of the Local Group in the Direction of the Virgo Cluster 115.- The Ring of H I IN Leo: Probing the Mass Distribution in A Galaxy Group.- Clustering on A Scale of 1018 M?.- Parameters for Dark Halos 119.- Halo Parameters of Spiral Galaxies.- Dynamical Interaction between the Different Components of S0-Sd Galaxies 134.- Is the Ratio of Dark-to-Luminous Matter A Function of Galaxy Mass and/or Luminosity?.- Some Regularities in the Missing Mass Problem.- Measurement of Dark Matter in Spiral Galaxies.- Mass-to-Light Ratios of Spiral Galaxies.- Dark Matter in Dwarf Galaxies.- The Search for Dark Matter in Draco and Ursa Minor: AThree Year Progress Report.- HI and Mass Distribution in the Dwarf "Regular" Galaxy UGC 2259.- Neutral Hydrogen Observations of dI Galaxies in the Virgo Cluster.- Neutrino Mass Limits and Dark Halos.- X-Rays from Galaxies and Clusters of Galaxies: Observations and Phenomenology.- X-Ray Halos in Galaxies and Clusters of Galaxies: Theory.- Cooling Flows and the Formation of Dark Matter.- Hot Coronae Around Early-Type Galaxies: Evidence for Dark Halos.- Extended X-Ray Emission from Early-Type Galaxies: Comparison with Optical.- Filamentary Nebulosity Surrounding M87.- Gravitational Lenses and Dark Matter: Theory.- Gravitational Lenses and Dark Matter: Observations.- A Search for Gravitational Lensing.- Galaxy Mass Distribution from Galaxy-Galaxy Gravitational Lensing.- Dark Matter: Observational Aspects.- N-Body Results on Dark Matter.- Are Numerical Simulations Reliable? Proposed Improvements and Tests.- Cold Dark Matter: Galactic Halos.- Simulations of Compact Groups of Galaxies with Halos.- Voids in the 2D CFA Catalog.- An Upper Limit on the Masses of Galaxies in Clusters.- Clustering Properties of Cold Dark Matter Universes and the CFA Redshift Survey: A Uniform Comparison.- Formation of Galactic Halos in the Cold Dark Matter Universe: Computer Simulations.- Formation of Large Scale Structure in the Explosion Scenario.- Profiles of Galaxy Clusters in Cosmological Scenarios.- Halos and Disk Stability.- Massive Halos and the Stability of Hot Stellar Discs.- The Global Stability of our Galaxy.- Observable Consequences of Triaxial Halos.- Self-Gravitating Polar Ring Models.- Distribution of Dark Matter in Polar Ring Galaxies.- Halos Around Ellipticals and the Environment Dependence of Hubble Type.- The Modified Newtonian Dynamics as An Alternative to Hidden Matter.-Gravitational Channels and the Cosmological Constant ?.- Galaxy Formation.- Galaxy Formation in A Universe Dominated by Cold Dark Matter.- Embedding of Galactic Systems in Extended Neutrino Clouds.- Dwarf Galaxies, Cold Dark Matter, and Biased Galaxy Formation.- Hierarchical Clustering: Angular Momentum Density Anti-Correlation.- The Formation of Galactic Halos in Universes Dominated by Cold Dark Matter.- Hydrogen Molecules and the Radiative Cooling of Pregalactic Shocks.- Cosmological HII Regions.- A Model for the Sequence of Elliptical Galaxies.- Non-Linear Evolution of Inhomogeneities in Universes Dominated By Dark Matter 369.- Anisotropy of the Microwave Background and Cosmological Dark Matter.- Disturbance of the CBR by Isothermal Perturbations.- Possible Constituents of Halos.- Constraints on the Dark Matter.- Limits on the Missing Mass in Dark Stellar Remnants.- Massive Black Holes in Galactic Halos?.- Bimodal Star Formation and Remnant-Dominated Galactic Models.- Background Light from Population III Stars.- Observational Searches for Dark Halos.- Faint Photometry of Edge-On Spiral Galaxies: A Search for Massive Halos.- An Infrared Search for Substellar Objects.- Contributions to the Local Gravitational Field from Beyond the Local Supercluster.- A Cosmologist's Tour Through the New Particle Zoo (Candy Shop?).- The Evaporation of Strange Matter in the Early Universe.- Detecting Cold Dark Matter Candidates.- Constraints on Dark Matter Density and Axion Mass From the Large-Scale Structure of Spacetime.- Baryogenesis in the Inflationary Universe.- Cosmological Consequences of an Unstable Heavy Neutrino.- Prospects for Axion Detection.- The Missing Mass and the Solar Neutrino Problem.- Unstable Dark Matter and Galaxy Formation.- Do Baryon Structures Survive Afterthe Decay of Unstable Particles?.- Constraints on Dark Matter from Primordial Nucleosynthesis.- Poster Discussion.- Conference Summary.- A Historical Perspective on Dark Matter.- General Discussion.- Indices.- Index of Names.- Index of Objects.- Index of Subjects.