1.    "Untoppled Historic Tipple" , Luke M. Snell and Billie G. Snell
2.    "Tree Surgery and the Concrete Cure" , Billie G. Snell and Luke M. Snell
3.    "The Oldest Concrete Street in the United States" , Luke M. Snell and Billie G. Snell
4.    "The Eire Canal - America's First Concrete Classroom",Luke M. Snell and Billie G. Snell