Report On the Quantum Theory of Spectra

Simplified Method of Tracing Rays Through Any Optical System of Lenses, Prisms, and Mirrors

Simplified Method of Tracing Rays

Theory of General Relativity and Gravitations; Based on a Course of Lectures Delivered at the Conference on Recent Advances in Physics Held at the University of Toronto, in January 1921

Theory of Relativity

Bell's Mathematical Tables; Together with a Collection of Mathematical Formulae, Definitions, and Theorems

Elements of the Electromagnetic Theory of Light