Most Popular Books
- Preliminary Report Upon Invertebrate Fossils Collected By The Expeditions Of 1871-1873, With Descriptions Of New Species
- On the Geology and Physiography of a Portion of Northwestern Colorado and Adjacent Parts of Utah and Wyoming
- A review of the non-marine fossil mollusca of North America
- United States Geological Survey Correlation Papers: Cretaceous
- Bibliography of North American Invertebrate Paleontology
