BioStor
 | Leidyosuchus sternbergii, a new species of crocodile from the Ceratops beds of Wyoming Charles W Gilmore (1910) Proceedings of The United States National Museum 38: 485-502 |
 | A list and index of the publications of the United States National Museum (1875–1946) Anon (1947) Bulletin of the United States National Museum 193: 1-306 |
 | Lower vertebrates from the late Cretaceous Hell Creek Formation, McCone County, Montana R Estes, P Berberian and C A M Meszoely (1969) Breviora 337: 1-33 |