This subseries documents Bantam, which was built by American Austin Car Company, Incorporated of Butler, Pennsylvania (1930-1934) and American Bantam Car Company, Incorporated of Butler, Pennsylvania (1937-1940). Formats include a general publication, serials, trade catalogs for fleet vehicles, trade catalogs for specific models, and trade catalogs for various models.

The general publication is an American Austin dealer brochure. The trade catalogs for fleet vehicles include those for the American Austin Panel Delivery and the American Bantam Boulevard Delivery, Panel Truck, Pick-up Truck, Coupe, Roadster, and Station Wagon. The trade catalogs for specific models include those for the American Austin 475 and the American Bantam Super 4 and 60. The trade catalogs for various models include those for various American Austin cars, delivery vans, and pickup trucks, and various American Bantam cars, delivery vans, and pickup trucks. Most of the materials are in English, but also include a specific model trade catalog in Dutch. See also Austin.