1. The family Diadectidae and its bearing on the classification of reptiles;EC Olson;Fieldiana (Geology),1947
2. A Middle Pennsylvanian captorhinomorph, and the interrelationships of primitive reptiles;RL Carroll;J Paleont,1969
3. Carboniferous stem reptiles of the family Romeriidae;RL Carroll;Bull Mus Comp Zool, Harvard University,1972
4. Romeriid reptiles from the Lower Permian;J Clark;Bull Mus Comp Zool, Harvard University,1973
5. The earliest reptiles;RL Carroll;J Linn Soc (Zool),1964