Series IX. contains four subseries: Administrative files, Consumer color film, Cronex x-ray products, and Dycril printing plates.

The Administrative files subseries contains budget and other general advertising files.

The Consumer color film subseries contains notes and background research on the color film market, especially Kodak's monopoly of it.

The Cronex x-ray products subseries contains materials on different advertising methods used for Cronex x-ray products, including convention exhibits, sales aid kits, pamphlets, and announcement letters.

The Dycril printing plats subseries contains correspondence and other background materials on the use of DuPont's Dycril printing plates by printers. (See also Series I., Subseries B. for additional information on Dycril.)