Density Functional Theory: Basic Results and Some Observations.- The Constrained Search Formulation of Density Functional Theory.- Density Functionals for Coulomb Systems.- Density Functional Approach to Time-Dependent and to Relativistic Systems.- Density Functional Theory in Chemistry.- A Density Functional Formalism for Condensed Matter Systems.- Density Functionals for Correlation Energies of Atoms and Molecules.- Density-Functional Theory and Excitation Energies.- Density Functionals and the Description of Metal Surfaces.- What do the Kohn-Sham Orbital Energies Mean? How do Atoms Dissociate?.- Hadronic Density of States.- Semiclassical Description of Nuclear Bulk Properties.- The Scaling Approach to Nuclear Giant Multipole Resonances.- Density Functionals in High-Energy Heavy-Ion Collisions.- On the Semiclassical Description of Nuclear Fermi Liquid Drops.- Average Nuclear Properties from the Nuclear Effective Interaction.- On Charge Sharing in Diatomic Quasimolecules.- Gradient Expansions and Quantum Mechanical Extensions of the Classical Phase Space.