Dover Publications, Inc New York

Introduction to Astrophysics: the Stars

By Jean Dufay

The Mathematical Recreations of Lewis Carroll: Pillow Problems and A Tangled Tale

By Lewis Carroll

Einstein's Theory of Relativity

By Max Born

An Investigation of The Laws of thought

By George Booble

Atomic Spectra & Atomic Structure

By Gerhard Herzberg

Trigonometry Refresher for technical Men

By A. Albert Klaf

Herman Von Helmholtz

By Leo Koenigsberger

The Philosphy of History

By Georg Wilhelm Friedrich Hegel