1. Platt, Harold D., Sr., October 14, 1980 Hartzer, Ronald B. Indiana University » Center for Documentary Research and Practice » Collection: ohrc041: Economic History of Indiana in the Twentieth Century, 1976-1980
2. Strickland, James D., May 30, 1980 Hartzer, Ronald B. Indiana University » Center for Documentary Research and Practice » Collection: ohrc041: Economic History of Indiana in the Twentieth Century, 1976-1980
