1. Father of Texas Geology Robert T. Hill;Alexander,1976
2. The Lower Cretaceous Paluxy Sand in Central Texas;Atlee,1962
3. Lithic technology and toolstone variability at two gravel exposures neighboring the eastern Llano Estacado;Backhouse;Plains Anthropol.,2009
4. From Mountain Peaks to Alligator Stomachs: A Review of Lithic Sources in the Trans-Mississippi South, the Southern Plains, and Adjacent Southwest;Banks,1990
5. The biotic districts of Oklahoma;Blair;Am. Midl. Nat.,1938