A collection of interview transcripts, audiocassettes, clippings, and articles conducted and written by Leo Trachtenberg between 1984 and 2006.

A collection of 630 audio recordings on standard audiocassette and open reel audiotape of baseball games from 1929 to 1998, including regular season, All-Star, and post-season games along with memorial tribute to Col. Ruppert, College All-Star Game, tribute to Harry Caray and historic moments in baseball such as the first game at the Astrodome, Ted Williams' first game as a manager, Henry Aaron's 715th home run, Mark McGwire's 62nd home run and Roger Clemens' 18 K game.

This collection contains the papers of Roger Kahn between 1936 and 2004. The papers include personal and professional correspondence, contracts, litigation documents, fan mail, newspaper articles and photos. The majority of these papers relate to Kahn's articles, short stories and books. Additional transcripts, audio cassettes, letters was compiled and/or created by his assistant Susan Hvistendahl.