Material regarding the career of tap dancer Dean Diggins, including class notes when studying with Paul Draper, clippings, photographs, programs, publicity items, and two scrapbooks relating to the Mattison Trio. Also extensive choreographic notes for dances Diggins composed for classical music, including Morton Gould’s Concerto for Tap Dancer and Orchestra. Audiovisual material consists of a VHS tape of the Mattison Trio appearing on the Ed Sullivan Show and Diggins dancing to classical selections, plus two audio cassettes of those classical pieces.