Paleontology

Biology of the Sauropod Dinosaurs

The History of Creation

Fossil Ice Crystals: An Instance of the Practical Value of “Pure Science”

Geology and Inhabitants of the Ancient World

The Geologic Setting of the John Day Country: Grant County, Oregon

The Rise and Progress of Palaeontology

A Monograph of the Trilobites of North America: with Coloured Models of the Species

Thoughts on a Pebble, or, A First Lesson in Geology

Bernissart Dinosaurs and Early Cretaceous Terrestrial Ecosystems

Dinosaurs of Darkness

New Perspectives on Horned Dinosaurs

The Desert Bones

Cambrian Ocean World

African Dinosaurs Unearthed

Fossils

Principles of Geology

Extinct Monsters

Dragons of the Air: An Account of Extinct Flying Reptiles

Two New Pelycosaurs from the Lower Permian of Oklahoma

Fossil Butterflies