- Flag presentation at Billion Gallon Day December 14, 1944
- Flock of birds released at the Billion Gallon Day celebration December 14, 1944
- Movie tent at Billion Gallon Day
- VIPs at Humble Billion Gallon Day chat with an employee before dinner
- Reserved section at Billion Gallon Day
- 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
- Joint conference group, 1932
- Joint conference group, 1932
- Joint conference group, 1932
- Development department and engineering department, circa 1932
- Machinist and blacksmith department, October 26, 1920