Fossils

Water Reptiles of the Past and Present

Glossary of Geological and Other Scientific Terms Used in the Principles of Geology

Cave Hunting

The Lost Lemuria

Pleistocene Bats from San Josecito Cave, Nuevo Leon, Mexico

The zoology of the voyage of H.M.S. Beagle: Fossil mammalia

Voyager 1 Encounters Saturn

The Survival Handbook

The Rise and Progress of Palaeontology

North American Plesiosaurs: Elasmosaurus, Cimoliasaurus, and Polycotylus

Fossil Forests of the Yellowstone National Park

The Ultimate Rockhounding Handbook

The Flow of Time in the Connecticut Valley: Geological Imprints

The Pleistocene of North America and its vertebrated animals

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

Texas Rocks and Minerals: An Amateur's Guide

The Common Rocks and Minerals of Missouri

Snails

The Glaciers of the Alps

Australasian Fossils: A Students' Manual of Palaeontology