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.