Harold James Cook
1887
A new canid from the lower pliocene of Nebraska- A new genus and species of rhinoceros
- A new genus of rhinoceros from Sioux County, Nebraska
- A new species of rhinoceros
- Faunal lists of the tertiary formations of Sioux County, Nebraska
- Faunal lists of the Tertiary vertebrata of Nebraska and adjacent areas
- Fossil vertebrates collected near
- Manganese fulgurites
- Note on the dentition of Amphicyon amnicola
- Note on the occurrence of the mammoth in Sioux County, Nebraska
- Notes on the geology of Sioux County, Nebraska, and vicinity
- Some new carnivora from the Lower Miocene beds of western Nebraska