The Stanley King Jazz Collection comprises approximately 12 linear feet of materials relating to American jazz and blues music.

Materials include sheet music, photographs, posters, concert programs, magazines, correspondence, financial documents, ephemera, and various audio and moving image items. The bulk of the Collection consists of published sheet music and photographs, mostly promotional studio portraits. Materials date from the early 1920s to the 2000s, with the majority spanning the 1930s through 1950s, and with many items undated.

The Collection is especially strong in material related to Louis Armstrong, and includes photographs, periodicals, sheet music, correspondence, promotional material, and ephemera. Additionally, the Collection contains some material related to jazz trumpeter Bunk Johnson, including photographs, correspondence, handbills, and sheet music. Also in the Collection are original contracts and financial correspondence from Benny Goodman, Fletcher Henderson, Paul Hindemith, and Paul Whiteman.