1. Schipp, John H., August 2, 1994 Muehr, Heiko Indiana University » Center for Documentary Research and Practice » Collection: ohrc035: Dubois County: German Americans, 1993-1994
2. Peters, Doris; Peters. Clayton, March 18, 1999 Muehr, Heiko Indiana University » Center for Documentary Research and Practice » Collection: ohrc037: Dubois County: Christian Communities in Southern Indiana, 1998-1999