New or Little Known Titanotheres from the Lower Uintah Formations, with Notes on the Stratigraphy and Distribution of FossilsOliver C. (Oliver Cumming Farrington, Field Museum of Natural History, Elmer S. Riggs · First published 2023Open the Tome
Some Early Miocene CarnivoresElmer S. Riggs · First published 1945 · Latest edition 2018Open the Tome
Preliminary description of two Lower Miocene carnivoresElmer S. Riggs · First published 1942Open the Tome
New Marsupial Saber-Tooth from the Pliocene of Argentina and Its Relationships to Other South American Predacious MarsupialsElmer S. Riggs · First published 1934 · Latest edition 1935Open the Tome
Preliminary description of a new marsupial sabertooth from the Pliocene of ArgentinaElmer S. Riggs · First published 1933Open the Tome
New or little known titanotheres from the lower Uintah formationsElmer S. Riggs · First published 1912Open the Tome
Structure and relationships of opisthocœlian dinosaursElmer S. Riggs · First published 1904Open the Tome
The dinosaur beds of the Grand river valley of ColoradoElmer S. Riggs · First published 1901Open the Tome