1. Sebree, Milton Shubert, June 7, 1980 King, R. T. Indiana University » Center for Documentary Research and Practice » Collection: ohrc041: Economic History of Indiana in the Twentieth Century, 1976-1980
2. Sevier, William R., March 26, 1996 Bottoms, Stephen Indiana University » Center for Documentary Research and Practice » Collection: ohrc062: Indiana Labor History Project, 1996
