1. Zeitlin, Jacob, March 17, 1980 Scobie, Ingrid W. Indiana University » Center for Documentary Research and Practice » Collection: ohrc014: Biography: Helen Gahagan Douglas, 1973-1983
2. Elder, Madeline Fortune, June 24, 1986, September 9, 1986 Madison, James H. Indiana University » Center for Documentary Research and Practice » Collection: ohrc024: Biography: William Fortune, 1986
3. Douglas, Melvyn, December 22, 1973, December 26, 1973, July 2, 1974, July 24, 1974, May 13, 1974 Arthur, Thomas H. Indiana University » Center for Documentary Research and Practice » Collection: ohrc021: Biography: Melvyn Douglas, 1972-1980
