Abstract The Larry Bieza coin-op and amusements history collection is a compilation of published fliers, original and photocopied reference, company memos, photographs, and other documentation relating to the history of various coin-operated game and amusement companies and their products. The bulk of the materials are from the 1930s-1980s.

Abstract The United Manufacturing Co. records are an assemblage of game design documentation (mainly wiring diagrams and disc diagrams) for projects produced by United during the late 1940s through its merger with Williams in 1964.