BioStor
 | Descriptions of eighteen new species of fish from the Wilkes Exploring Expedition, preserved at the United States National Museum Henry W Fowler and Barton A Bean (1923) Proceedings of the United States National Museum 63: 1-27 |
 | The Fort Union of the Crazy Mountain Field, Montana and its Mammalian faunas (1937) Bulletin United States National Museum 169: 1-287 |
 | A review of the Middle and Upper Eocene primates of North America (1958) Smithsonian Miscellaneous Collections 136: 1-112 |
 | Paleocene primates from the shotgun member of the Fort Union Formation in the Wind River Basin, Wyoming C L Gazin (1971) Proceedings of The Biological Society of Washington 84: 13-37 |
 | The Carpolestidae: Early Tertiary primates from North America K D Rose (1975) Bulletin of The Museum of Comparative Zoology 147: 1-74 |