Relativity Reexamined
Léon Brillouin
:
Relativity Reexamined
(
Academic Press
, 1970)
Mass-energy equivalence
, especially: 9.5.2 Alternative version
Cannon on a railroad car
/ Newtonian derivation of E = m c
^{2}
The Limited Validity of Special Relativity
Albert Einstein's
Gedanken-Experimente
reexamined for small masses
Immortal Fumbles
by Dirk van de Moortel
Einstein's Gravitational Metrics
Einstein online - Home
Conspiracy of Light
The Black Hole, the Big Bang, and Modern Physics
website by Stephen J. Crothers
has nice references:
On the Gravitational Field of a Mass Point
according to Einstein’s Theory
by K. Schwarzschild
On the Gravitational Field of a Sphere of Incompressible Fluid
according to Einstein’s Theory
by K. Schwarzschild
Mechanics. - On the analytic expression that must be given
to the gravitational tensor in Einstein’s theory
Note by the Fellow T. Levi-Civita