The Brian Sutton-Smith papers are a compilation of seven decades of play-related research, teaching, and writing, including manuscripts, publications, original research data, reference materials, notes, correspondence, memorabilia, and photographs. The bulk of the materials are dated between 1950 and 2008.

The Lella Gandini early childhood and children’s folklore collection are a compilation of research notes, presentations, scholarly articles, and other documents created or used by Lella Gandini throughout her education career.

The Linda A. Hughes papers contain manuscripts, research materials, presentation materials, observations, interviews, correspondence and notes. The materials range from Hughes’s time in graduate school through her professional career. The bulk of the materials in this collection are dated between 1980 and 1989.