BioStor
 | August 8 (1871) Proceedings of The Academy of Natural Sciences of Philadelphia 23: 228-230 |
 | February 6 (1872) Proceedings of The Academy of Natural Sciences of Philadelphia 24: 19-21 |
 | New Vertebrates from the Montana Tertiary (1903) Annals of The Carnegie Museum 2: 145-199 |
 | A history of the Division of Vertebrate Paleontology in the United States National Museum Charles W Gilmore (1941) Proceedings of The United States National Museum 90: 305-377 |
 | Frontal sinus evolution (particularly in the Equidae) T Edinger (1950) Bulletin of The Museum of Comparative Zoology 103: 409-496 |
 | A review of the Middle and Upper Eocene primates of North America (1958) Smithsonian Miscellaneous Collections 136: 1-112 |
 | Rhinoceroses from the Thomas Farm Miocene of Florida H E Wood (1964) Bulletin of The Museum of Comparative Zoology 130: 361-386 |
 | Fossil mammals of Africa no. 21. Miocene rhinoceroses of East Africa D A Hooijer (1966) Bulletin of The British Museum (Natural History) Geology 13: 117-190 |
 | Fossil Mammals and Early Eocene North Atlantic Land Continuity Malcolm C Mckenna (1975) Annals of the Missouri Botanical Garden 62: 335-353 |
 | The Lophialetid Ceratomorph Eoletes (Mammalia) From The Eocene Of The Zaysan Basin, Kazakstan S G Lucas, L T Holbrook and R J Emry (2001) Proceedings of The Biological Society of Washington 114: 988-992 |