Bibliografía (7 obras)
The structure of geology
1977
The structure of geology, by David B. Kitts
Geologic Time
1966
Geology of the Cenozoic rocks of Ellis County, Oklahoma
1965
Cenozoic geology of northern Roger Mills County, Oklahoma
1959
A Pliocene vertebrate fauna from Ellis County, Oklahoma
1957
American Hyracotherium (Perissodactyla, Equidae)
1956