- The Hell Creek Beds Of The Upper Cretaceous Of Montana
- The Conard Fissure: A Pleistocene Bone Deposit In Northern Arkansas: With Descriptions Of Two New Genera And Twenty New Species Of Mammals
- The Conard Fissure: A Pleistocene Bone Deposit In Northern Arkansas: With Descriptions Of Two New Genera And Twenty New Species Of Mammals
- Dinosaurs, With Special Reference to the American Museum Collections
- Dinosaurs: With Special Reference to the American Museum Collections