Kinematical Basis of Galactic Dynamics.- I. General features of observed stellar motions.- II. Kinematical considerations.- Galactic Dynamics.- I. Introduction.- II. Mass motions and velocity distribution in the gravitational field of the Galaxy.- III. Velocity distribution from statistics of differential orbital motions.- IV. The dispersion of stellar velocities as function of the time.- V. The problem of spiral structure and problems concerning the evolution of the system.- General references.- Radio-frequency Studies of Galactic Structure.- General references.- Star Clusters.- A. Introduction.- B. Galactic clusters.- C. Globular clusters.- Appendix A. Catalogue of galactic clusters.- Appendix B. Catalogue of globular clusters.- General references.- Discrete Sources of Cosmic Radio Waves.- General references.- Radio Frequency Radiation from External Galaxies.- General references.- Classification and Morphology of External Galaxies.- General Physical Properties of External Galaxies.- Multiple Galaxies.- I. Historical.- II. Morphology of multiple galaxies.- III. Permanent multiple galaxies.- IV. The kinematics and dynamics of multiple galaxies. Gravitational lenses 384 V. Colliding galaxies as radio sources.- Clusters of Galaxies.- I. Introduction.- II. Well known clusters of galaxies.- III. Structure of individual clusters.- IV. Kinematics and dynamics of clusters of galaxies.- V. Counts of clusters of galaxies in depth; numbers as a function of angular.- VI. Distribution of clusters of galaxies in breadth.- VII. Superclustering non-existent.- VIII. The universal redshift, extragalactic distances and the methodology of the study of clusters of galaxies.- Large Scale Organization of the Distribution of Galaxies.- I. Introduction.- II. Dynamical problem of infinite massin infinite space.- III. Theory of simple clustering of galaxies.- IV. Theory of multiple clustering of galaxies.- General references.- Distance and Time in Cosmology: The Observational Data.- I. Observational methods of determining the distances of galaxies.- II. Time and the age of the universe.- Acknowledgments.- General references.- Seite Newtonsche und Einsteinsche Kosmologie.- I. Einleitung.- II. Newtonsche Kosmologie.- III. Einsteinsche Kosmologie.- Andere kosmologische Theorien.- 1. Übersicht.- 2. Kosmologie und Mikrophysik.- 3. Jordansche Kosmologie.- 4. Die Theorie des stationären Universums.- 5. Milnesche Kosmologie.- 6. Mathematischer Anhang.- Literatur.- Sachverzeichnis (Deutsch-Englisch).- Subject Index (English-German).
