Science

Eurypterids of the Devonian Holland Quarry Shale of Ohio

Half Hours With Modern Scientists

The clock problem (clock paradox) in relativity

Description and Use of a New Celestial Planisphere

Industrial Minerals and Metals of Illinois

Synthetic resins and their raw materials

The Molecular Tactics of a Crystal

Frictional Electricity

Darwin's On the Origin of Species

How it Works

Through the Crater's Rim

Apes and Monkeys: Their Life and Language

Heat-Its Role in Wildland Fire

Experiments on the Absence of Mechanical Connexion between Ether and Matter

The Trouvelot astronomical drawings manual

Rocks and Their Origins

Eight Lectures on Theoretical Physics

Finger Prints

The Universe a Vast Electric Organism

Astronomical Curiosities: Facts and Fallacies