1. Lythgoe, Richard F., May 3, 1979 King, R.T. Indiana University » Center for Documentary Research and Practice » Collection: ohrc041: Economic History of Indiana in the Twentieth Century, 1976-1980
2. Stilwell, Charles E., May 13, 1996 Bottoms, Stephen Indiana University » Center for Documentary Research and Practice » Collection: ohrc062: Indiana Labor History Project, 1996
3. Koch, Mary-Jane, July 24, 1996 Truesdell, Barbara Indiana University » Center for Documentary Research and Practice » Collection: ohrc090: Remembering Indiana in the Twentieth Century, 1995-1996