The Thomas C. Mabey papers detail his involvement with international and national car racing and car show events. The collection includes materials regarding the activities of Rocky Mountain Motorsports along with general racing ephemera and memorabilia. Mabey is a long-time racer and is also a vintage car collector.
The Utah Salt Flats Racing Association records is a collection of material from the Utah Salt Flats Racing Association (USFRA), an amateur land speed racing association operating on the Bonneville Salt Flats in Wendover, Utah. USFRA has operated a number of land speed racing events throughout history, including Bonneville Speed Week, the World of Speed, and the Land Speed Opener. This collection contains administrative and promotional materials related to these events. The collection also contains an archive of magazine articles and other documents relating to land speed racing and its history. The collection also includes a membership archive, which features information, articles, and photographs of individual racers and their vehicles.