Papers, 1969-2016, of Harley L. Sachs, former faculty member at Michigan Technological University. The collection primarily consists of original and copies of Sachs' publications, writings, and memoirs (restricted). Also included are several board games, 1969-1988, developed by Harley L. Sachs. The board games in this collection include "Police State," a game of strategy and survival and its later iteration "Comrades."