This series contains Miller’s general correspondence, course materials, and speeches he gave over the years. The correspondence focuses on the history of the NCGE, Miller’s publications, and condolence letters received by Miller’s widow, E. Joan Miller, following his death. The course materials were developed for classes Miller taught at Mankato State Teachers College (MSTC). This series also contains a variety of speeches that Miller gave to various organizations over the years. Speech topics include: history of the NCGE, ASIA, Geography in Education, Europe, MSTC, and Geography and the World.