Photograph used for a story in the Daily Oklahoman newspaper. Caption: "This week, chairmanship of the interstate oil compact commission passes from Gov. Johnston Murray of Oklahoma to Gov. William G. Stratton of Illinois, elected at a recent meeting in Chicago."

Photograph of the contestants of the National Ushers Convention Oratorical Contest, including Barbara Jordan. The men are all wearing light-colored suits, but one, who is wearing a dark-colored suit. The women are all wearing light-colored dresses, but two, who are wearing a dark-colored dress.

Photograph of a Model C Tournapull, likely from the 1940s based on similar images found online and "LeTourneau Heavy Equipment" by Eric C. Orlemann. According to him, the Model C was the most popular of the scrapers built by the company.

Photograph of R.G. LeTourneau demonstrating the Tournatow to Longview (Texas) newspaper publisher Carl Estes. It was the first vehicle to feature electric-traction motors mounted in the wheel assemblies themselves. The four-wheel-drive and -steer tractor was being demonstrated at the Edgewater Beach Hotel in Chicago, Illinois, on 1950-11-17.

Photograph of a Model-D Tournapull attached to the Carryall Model Q. According to information found online (https://contract295dev.wpenginepowered.com/classic-machines/model-d-tournapull/), the company built this combination, an "air transportable earthmover," for the U.S. Army from 1942-1946, during World War II. From 1942 to 1946, LeTourneau built over 600 of these machines and continued production after the war. This photograph was clearly meant for a brochure or catalog, since the background has been eliminated.

Photograph of an employee of R.G. LeTourneau, Inc., at the controls of the Tournatow, the first vehicle to feature electric-traction motors mounted in the wheel assemblies themselves. The four-wheel-drive and -steer tractor is being demonstrated at the Edgewater Beach Hotel in Chicago, Illinois, on 1950-11-17.