Abstract The Guy Welch collection is a compilation of materials featuring two notable American video game companies: Sierra On-Line and Microsoft. Items in this collection include correspondence, sketches, animation cels, artwork, published advertisements, magazines, corporate records, concept design documents, and more. The bulk of the materials are from between 1990 and 1998.

Abstract The Jane Jensen papers are a collection of game design bibles, scripts, and other documentation on games written and designed by Jensen. The majority of the materials are from 2012.