1. “History by the Spoonful” in North Carolina: The Textual Politics of State Highway Historical Markers
2. Local Indicators of Spatial Association-LISA
3. Awbery, B. D., and S. Awbery. 2013. Why stop?: A guide to Texas roadside historical markers. 6th ed. Lanham, MD: Taylor Trade.
4. Awbery, B. D., and C. Dooley. 1992. Why stop?: A guide to Texas historical roadside markers. 3rd ed. Houston, TX: Gulf Publishing.
5. Awbery, B. D., and C. Dooley. 1999. Why stop?: A guide to Texas historical roadside markers. 4th ed. Houston, TX: Lone Star Books.