1. Amsbury, D. L. 1974.Stratigraphie petrology of lower and middle Trinity rocks on the San Marcos Platform, south-central Texas1–35. Geoscience and Man.
2. Atlee, W. A. 1962.The Lower Cretaceous Paluxy Sand in central Texas, Baylor Geological Studies, Bulletin 2 25
3. The Fossil Fish Lepidotes in the Paluxy Formation, North-Central Texas
4. Boone, P. A. 1968.Stratigraphy of the basal Trinity (Lower Cretaceous) Sands of Central Texas, Baylor Geological Studies, Bulletin 15 62