1. Letter from Donald S. Fredrickson to Daniel E. Koshland, Jr Creator: Fredrickson, Donald S.National Institutes of Health (U.S.) Date: 23 August 1976 Genre: Letters (correspondence)
2. Letter from Wallace P. Rowe to Maxine Singer Creator: Rowe, Wallace, -1983National Institutes of Health (U.S.) Date: 11 August 1976 Genre: Letters (correspondence)