The Sidney S. Fox papers (1922-1980) provide an overview of Fox's personal and profesional life. There are also newsclippings concerning Fox, his family and friends, KDYL, and Fox's gambling. There are materials about KDYL, such as legal documents filed between KDYL and the Federal Communication Commission, materials detailing the sale of KDYL to TLF Broadcasting Corporation, as well as advertising materials, correspondence, and various financial materials. There are also materials reflecting Fox's other financial ventures including Fox Marquis Productions, Management Consulting, Miracle Diamonds Corporation, and Trampoline Centers, Incorporated. And finally, there are research materials compiled by Timothy Larson and Sandy Lewis detailing the organization of KDYL, key people in its history, and include notes and transcripts from interviews conducted by Larson and Lewis.