Scope and Contents The David E. Maas Papers are predominately composed of Maas’s teaching materials and student course materials from 1958 to 2010. Inclusively, the collection dates as far back as 1914. The collection is divided into five series: Teaching Materials, Biographical, Rev. L Aug. Heerboth and Dorothy A. Heerboth Papers, James M. Lower Papers, and General.The majority of papers fall within the series Teaching Materials, which is further subdivided mainly by course subject and arranged...