The Cock of the Air sub-series (1931-1932) includes newspaper clippings, publicity stills, production and direction records, financial records, and legal records pertaining to the film’s production and release on January 23, 1932.

Newspaper clippings in the sub-series depict advertising campaigns for The Cock of the Air, theatrical releases, and film reviews. Publicity stills consist of the principal cast, supporting cast, and director on set, as well as posed images of the principal cast. Production and direction records feature production logs, screenplays, production still albums, and direction stills depicting the principal cast on film sets. Financial records for the sub-series include theatrical release contracts for England and purchase orders. Legal records contain contracts for the supporting cast and correspondence regarding censorship issues. Lastly, the story development records contain a synopsis, continuities, and shooting scripts.

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.

The corporate records sub-series (1924-1961) for The Caddo Company consists of newspaper clippings, administrative correspondence, actor and distribution contracts, and financial reports. Film distribution records primarily fall in this portion of the series.

Newspaper clippings in this sub-series publicize Howard Hughes’ corporate, theatrical, and personal activities. They also feature publicity for actors in his films including Billie Dove, Jean Harlow, and Ann Dvorak. Financial records include receipts and invoices for expenditures, employee payroll, film revenue summaries, inventory lists, insurance policies, company budgets, insurance policy forms, and corporate stock information. Legal records include contracts for actors, screen writers, music rights, production companies, and distribution companies for domestic and international film releases. Other corporate materials include Caddo maintained logs for aircraft, correspondence between film production companies and Hughes’ corporations, and materials for the unproduced film Rivets.