Preliminary note on a new marine reptile from the Middle Triassic of Nevada - 1906
Notes on the genus Desmostylus of Marsh - 1911
Pinnipeds from Miocene and Pleistocene deposits of California - 1922
A new cetothere from southern California - 1929
The gastropod genus Galeodea in the Oligocene of Washington - 1931
A new type of bipedal dinosaur from the Navajo Sandstone of Arizona - 1936
A study of the Miocene sirenian Desmostylus - 1937
Phylogeny of North American Equidae - 1940
A review of the genus Aelurodon - 1940
Vertebrates from the Upper Moenkopi Formation of northern Arizona - 1947
A Miocene phyllostomid bat from Colombia, South America - 1951
Ceboid monkeys from the Miocene of Colombia - 1951
Mio-Pliocene floras from west-central Nevada - 1956
The Mascall fauna from the Miocene of Oregon - 1956
Hystricomorph rodents from the late Miocene of Colombia, South America - 1957
A review of the Sirenia and Desmostylia - 1959
Stratigraphy and paleontology of the Permian Nosoni and Dekkas Formations (Bollibokka Group) - 1960
Fossil mammals of the type Lance Formation, Wyoming. Part I. Introduction and Marsupialia - 1964
Fossil crocodilians from Colombia and the Cenozoic history of the Crocodilia in South America - 1965
Mollusca from the upper Cretaceous Jalama Formation, Santa Barbara County, California - 1966
New Permian crinoid fauna from southern Nevada - 1966
The Miocene pinniped Allodesmus - 1966
A review of the macropodid genus Sthenurus - 1966
Fossil mammals from the type Lance Formation, Wyoming. Part II. Marsupialia - 1966
Relationships of the protoceratid artiodactyls, and description of a new genus - 1967
A new iniid cetacean from the Miocene of California - 1969
The Burge and Minnechaduza Clarendonian Mammalian Faunas of North-Central Nebraska - 1969
Miocene Desmatophocinae (Mammalia: Carnivora) from California - 1972
Small mammal fossils from the Barstow Formation, California - 1972
Chiroptera and Dermoptera of the French early Eocene - 1973
Evidence for the origin of the Mactridae (Bivalvia) in the Cretaceous - 1973
A delphinid (Mammalia, Cetacea) from the Miocene of Palos Verdes Hills, California - 1973
Fossil mammals of the type Lance Formation, Wyoming. Part III. Eutheria and summary - 1973
Sirenian evolution in the North Pacific Ocean - 1978
Evolution of the Borhyaenidae, extinct South American predaceous marsupials - 1978
A New Species Of Ektopodon (Marsupialia; Phalangeroidea) from the Miocene of South Australia - 1986
Miocene mammals of the Split Rock area, Granite Mountains basin, central Wyoming - 1988
The skeleton of Borophaginae (Carnivora, Canidae): Morphology and function - 1989
The Bug Creek problem and the Cretaceous-Tertiary transition at McGuire Creek, Montana - 1995
The Oligocene Bridge Creek flora of the John Day Formation, Oregon - 1997