The collection documents George Weiss' tenure with the New York Yankees minor and major league organizations from 1932 to 1960 and the New York Mets major league organization from 1961 to 1966. It includes financial records, player reports, ticket files, correspondence, clippings, personnel files, scouting evaluations, ephemera, tour files, marketing and promotion files, and personal documents.

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.