- Machinists and boilermakers, August 25, 1931
- Main office staff of Humble Oil, 2 of 2, August 17, 19311
- Main Office Staff of Humble Oil, 1 of 2, August 17, 1931
- Main office staff for Humble Oil, 1928
- Research and technical staff of Humble Oil, circa 1940
- Boilermakers and welders of Humble Oil, circa 1931
- Humble Oil Utilities Department, circa 1940
- Compound Department of Humble Oil, 2 of 2, November 21, 1928
- Compound Department of Humble Oil, 1 of 2, November 21, 1928
- Baytown Joint Conference Banquet circa 1925
- Humble Day, May 8, 1920
- Chink Humphries receives J.L. Finley Trophy, 1936
- Humble Oil: Power department golf team circa 1936
- Exxon Line Crew 1927
- Humble Oil & Refining Company officials in Baytown, 1929