The Hell’s Angels sub-series (1922-1965) contains material related to the development, production, and post-production of The Caddo Company film, Hell’s Angels. Both the silent and sound versions of the film are represented in the materials.

Materials include contracts and lawsuits, correspondence, financial, story development, and production and direction records, editing and special effects, aviation logs, and advertising, as well as musical scores for the silent version composed by Adolph Tandler and the sound version composed by Hugo Riesenfeld. Also included are black-and-white photographic prints and negatives and twenty-four miniature airplane models.

The Age for Love sub-series (1930-1932) is comprised of materials pertaining to the production process of The Caddo Company's October 17, 1931 release of The Age for Love. The sub-series includes advertising and publicity, administrative, distribution, editing, production and direction, and story development records, as well as film soundtracks. Materials include newspaper clippings, magazine reviews, leaflets, newspaper bulletins, correspondence, contracts, reports, and log books. Also included are black-and-white photographic prints and negatives depicting the film during its production, as well as set, director, and advertising images.

The Sky Devils sub-series (1930-1933) is comprised of materials pertaining to the production process of The Caddo Company's February 6, 1932 release of Sky Devils. The sub-series includes advertising and publicity, administrative, legal, production, direction, and story development records.

The advertising and publicity records include a list of scenes for inclusion in a trailer, production credits, newspaper clippings detailing the film's reception, and photographic prints. Administrative records contain correspondence pertaining to French distribution rights and Joseph Moncure March’s start date on the screenplay. Legal records contain domestic and foreign release contracts. Production and direction records include stage and sound logs and daily production reports. Story development records include screenplays, dialogue and cutting continuities, preliminary and production scripts, and continuities for adaptation. Also included are black-and-white photographic prints and a negative depicting the film during its production, as well as set, director, and advertising images.