Abstract 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.

Abstract 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.

Abstract 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.