Pennsylvanian Correlations in the Eastern Interior and Appalachian Coal Fields

Eocene Radiolarian Faunas from the Mt. Diablo Area, California

Hadrosaurian Dinosaurs of North America

Tertiary Prairie Grasses and Other Herbs from the High Plains

Miocene Fishes of Southern California

Revision of the Suborders Families, and Genera of the Scleractinia

Evolution and Classification of Paleozoic Crinoids

Mesozoic and Cenozoic Arcidae From the Pacific Slope of North America

North American Pleospongia

Ozarkian and Canadian Cephalopods: Part II: Brevicones

Geology and Paleontology of The Permian Area Northwest of Las Delicias, Southwestern Coahuila, Mexico

Study and Revision of Archimedes (Hall)

Early Upper Cambrian Faunas of Central Montana

Origin of Mammals Based Upon Cranial Morphology of the Therapsid Suborders

Check List of California Tertiary Marine Mollusca

Radiolaria from Upper Cretaceous of Middle California

Ozarkian and Canadian Cephalopods: Part III: Longicones and Summary

Upper Devonian Corals of the Mackenzie River Region Canada

Glacial Map of North America; Part 2 Bibliography and Explanatory Notes

De Natura Fossilium: Textbook of Mineralogy