Contains Harris' personal and professional materials from his medical education and career at Duke. Types of materials include artifacts, reprints, research materials, certificates, photographs, slides, unidentified 16mm film reels, mini cassette tapes, printed materials, correspondence, reports, notes, drafts, clippings, and other administrative materials. The series also contains artifacts used in pediatric developmental testing and monitoring, including a rattle, a spoon, plastic rings, bells, and a reflex hammer. Materials date to 1931 to 2003.