Astrophysics

The Le Sage Theory of Gravitation

The Le Sage Theory of Gravitation

Curiosities of Light and Sight

The Study of Astronomy

The Source and Mode of Solar Energy Throughout the Universe

Lasers

Comments on Astrophysics

Life Among the Stars

Star Born

The Illustrated Guide to the Universe

Light and Colour Theories, and their relation to light and colour standardization

Aether and Gravitation

Cosmic Frequencies

Lectures on Stellar Statistics

Adaptation Surges

Astronomy: The Science of the Heavenly Bodies

The Theory of Relativity and Its Influence on Scientific Thought

Relativity: The Special and General Theory

Comets and Meteors

A Preliminary Dissertation on the Mechanisms of the Heavens