The Allen Hammack Dungeons & Dragons collection is a compilation of original role-playing game campaign materials, notes, hand-drawn and printed maps, manuscript modules, and other related documentation to Dungeons & Dragons campaigns created or co-created by Hammack. The bulk of the materials are undated but most likely from 1976-1978.

The Jim Gould papers are a collection of original and published materials related to tabletop games and wargaming, including campaign materials, notes, hand-drawn and printed maps, manuscript modules, and other related documentation. The bulk of the materials are undated but range from 1977-2010.

Joel Billings’ Strategic Simulations, Inc. (SSI) papers are a compilation of corporate records from Strategic Simulations, Inc. (SSI). The bulk of the materials are dated between 1979 and 1996.

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.

These two letters are from John Sapienza to Stephen R. Marsh, dated 9/1/82 and 9/24/84. The 1982 letter refers to the role of religion in tabletop gaming, and the 1984 letter briefly discusses a news clipping about the suicide of a Dungeons & Dragons player.

The Paul Reiche III papers are a compilation of game design concepts and related documentation for both tabletop role-playing games and video games. The bulk of the materials are dated between 1983 and 1996, though some materials are undated.

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 Tom Hogeman Dungeons & Dragons collection contains hand-drawn maps and character sheets generated during gameplay of Dungeons & Dragons by Tom Hogeman [likely during the 1980s]. Also part of this folder are reference materials for the game.

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.