Between Theory and Observations Tobias Mayer's Explorations of Lunar Motion, 1751-1755
Letters
Ancient Astronomical Observations and the Study of the Moon’s Motion (1691-1757)
The Hill-Brown Theory of the Moon’s Motion Its Coming-to-be and Short-lived Ascendancy (1877-1984)
Modern Theories
Galaxy Formation A Personal View
Leonhard Eulers Arbeiten zur Himmelsmechanik
Louis XIV and Europe
Euler as Physicist
The Magic of Physics Can You Pull a Rabbit Out of a Black Hole?