The Alice Meckley papers contain original dissertation research data, notes, recordings, and other professional papers from Dr. Alice Meckley. The bulk of the materials are from 1990-1994.

The Anthony D. Pellegrini papers are a compilation of published scholarly articles, drafts, and reference materials written or used by Pellegrini during his lengthy career in researching and teaching educational and developmental psychology. The bulk of the materials in this collection are from between 1979 and 2009.

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.

This collection consists of material from the professional careers of noted play scholars Jerome and Dorothy Singer. The papers date from 1978 to 2009, with the bulk of materials dating from 1992 to 2007. The papers are comprised of research notes, reference materials, manuscripts, conference presentations, course lectures, and correspondence.

The Vivian Paley correspondence collection is a compilation of materials pertaining to the life and career of Vivian Paley, most notable of which are handwritten letters from Paley to colleagues in the education field. The bulk of the materials are from between 1998 and 2006.