- Dr. V.C. Baird greets a group at Billion Gallon Day
- Dignitaries and Humble Oil executives at Billion Gallon Day, December 14, 1944
- Buffet dinner was served at Billion Gallon Day, December 14, 1944
- Audience enjoying floor show at Billion Gallon Day, December 14, 1944
- Guests leaving the exhibit area at Billion Gallon Day, December 14, 1944
- Research and technical staff of Humble Oil, circa 1940
- Humble Oil Utilities Department, circa 1940