Karl Schwarzschild and what happened with his work.
New embedding of Schwarzschild geometry. I. Exterior solution.
New embedding of Schwarzschild geometry. II. Interior solution.
Reissner exterior and interior.
A new interpretation of the Kruskal metric.
Remarks on the Kruskal metric.
Freely falling observers.
Wormholes and isotropic co-ordinates.
Remarks on the complete Schwarzschild solution.
Interior Schwarzschild solution and free fall.
Lemaître transformation of the interior Schwarzschild metric.
Tidal forces and Schwarzschild field.
Free fall in the Schwarzschild field
Fall time in the Schwarzschild field
Einstein's elevator
Free fall and time function
Field equations for Einstein's elevator
Schwarzschild geometry, once more
Linking conditions for models with geometrical basis
Black hole metric is massless
Penrose metric and black holes

Cosmology

Constructing the Gödel universe.
Gödelkosmos ohne Zeitreisen.
Remarks on the de Sitter model.
Zur Frage der Raumkrümmung.
Gödel universe and shears.
Transformations in de Sitter and Lanczos models I.
Transformations in de Sitter and Lanczos models II.
Transformations in de Sitter and Lanczos models III.
The curvature parameters in gravitational models.
Remarks on the cosmological model of Milne.
Local and global flatness in cosmology.
Melia's R_h=ct model is by no means flat.
Comments on the use of the Flatness Theorem by Melia.
Flat or not flat, this is the question.
Dark matter without matter.
Generalization of the de Sitter cosmos.
Einstein’s elevator in cosmology.
Subluminal and superluminal universes.
Hybrid cosmological models.
Subluminal cosmology.
Equipping the model of Melia with curvature.
Geometry and cosmology.
Geometrical foundation of the equation of state in cosmological models.

Kerr geometry

Kerr geometry I. A flat Kerr-like model.
Kerr geometry II. Preferred reference systems.
Kerr geometry III. A first step to five dimensions.
Kerr geometry IV. Accelerated systems.
Kerr geometry V. More on five dimensions.
Kerr geometry VI. The surfaces.
Kerr geometry VII. A Kerr interior.
Kerr geometry VIII. Kerr interior surfaces.
Kerr geometry IX. The geometrical implementation of rotation.
Drawing Kerr.
Kerr geometry X. Covariant decomposition of the Kerr-Newman field equations.
Kerr geometry XI. Kerr-Newman interior.
Geometrical interpretation of the NUT metric.
A NUT interior.
The interior of an elliptic stellar object.

Collapse

Remarks on the model of Oppenheimer and Snyder I
Remarks on the model of Oppenheimer and Snyder II
Remarks on the model of Oppenheimer and Snyder III
Remarks on the model of Oppenheimer and Snyder IV
Remarks on the model of Weinberg I
Remarks on the model of Weinberg II
Collapsing gravity models considered critically
Gravitational collapse: an overview.
Collapsing interior Schwarzschild solution.
Collapsing interior Schwarzschild solution, abridged version.
The relativity of acceleration

Papers of R Schimming and R M Gad

Harmonic and wave maps coupled with Einstein's gravitation

Papers of H-J Treder and W Schröder

Hans-Jürgen Treder † 2006.
Hans-Jürgen Treder (Nachruf)
Hans-Jürgen Treder (English)
Treder in Caputh (Film)
Naturwissenschaft und Religion.
Einstein und die Potsdamer Astronomen.
Aspects of the Mach-Einstein doctrine and some geophysical application.
Kepler and gravitation
Remarks on Boltzmann's formulation of the Helmholtz vorticity theorem.
Euler, die Gravitationstheorie und einige geophysikalische Aspekte.

Raumkrümmung. (785 Seiten)
Spacetime curvature. (748 pages)
Anholonomy and gravitation.
Covariant variational principle in the theory of gravitation.
Coordinate systems, reference systems, Black Holes, ECOs, and cosmological problems.