Cunningham provided information about El Paso, Texas in the late nineteenth century. He also wrote about early settlers, marshals, and criminals of the west in that time period. He wrote about "Billy the Kid," First Sergeant James B. Gillett, Tom Threepersons, Dallas Stoudenmire, John Wesley Hardin, and others.

The official program for Denton's centennial celebration on April 21-27, 1957 contains information about the events week, a brief history of Denton's foundation and progress, a map of Denton in 1957, and several advertisements for local organizations. Several photographs of early Denton County scenes, various historical markers, early buildings of North Texas State College and Texas State College for Women, and other mentionable landmarks are included.