This collection consists of oral histories collected about the history of Gen Con, the largest tabletop gaming convention in North America. The materials are dated from 1992 to 2007, with the bulk of the collection dated from 2006 to 2007. The collection is comprised of 100 mp3 files and one pdf. Interviews were conducted for a book project in honor of Gen Con's 40th anniversary.

This is a three-page letter from Gary Gygax to Steve Marsh discussing a variety of subjects, including Gary's personal recounting of his history with Dave Arneson, the creation of Dungeons and Dragons, and Arneson's contribution toDungeons and Dragons. The letter is dated February 25, 1980.

The Play Generated Map and Document Archive (PlaGMaDA) papers are a compilation of hand-drawn maps, sketches, notes, reference materials, and other documentation generated by numerous players of assorted role-playing games. Dated materials are primarily from the 1980s through 2000.

The William J. Hoyt Dungeons & Dragons collection is a compilation of scans, photographs, and digital files documenting Hoyt’s personal involvement with Dungeons and Dragons and other role-playing games. The bulk of the materials are dated between 1966 and 1979.