Abstract The Elizabeth Hargrave papers include materials used in the design, development, and publication process for the board games Wingspan (2019) and Mariposas (2020). The physical reference materials are comprised of research notes and prototype components including cards, chits, cubes, dice, dice tower, game boards, player mats, and tokens. The digital files consist of correspondence, graphics, presentations, spreadsheets, text, and video. The bulk of the materials date from 2016 to 2019.