Series 1. Correspondence, 1880-1939

This series includes material pertaining to Kubach’s work with mining companies in Pennsylvania and West Virginia, business transactions, and personal matters, such as the death of Kubach’s first wife, Clara, and the choice of hospitals for surgery. Several letters in this series (folder 2, 1914-1939) pertain to Kubach’s son Oscar C. Kubach, Jr. and his time at the University of Indiana. A section of this series (folder 3) is written wholly in German; no translations are available. The final folder in this series consists of Xerox copies of the letters in the first two folders. An index of the correspondence is also available.