1. Letter from James A. Shannon to Mary Lasker Creator: Shannon, James A.National Institutes of Health (U.S.) Date: 26 June 1964 Genre: Letters (correspondence)
2. Letter from James A. Shannon to John E. Fogarty Creator: Shannon, James A.National Institutes of Health (U.S.) Date: 11 April 1961 Genre: Letters (correspondence)
3. Letter from James A. Shannon to John E. Fogarty Creator: Shannon, James A.National Institutes of Health (U.S.) Date: 18 August 1965 Genre: Letters (correspondence)
4. Letter from James A. Shannon to John E. Fogarty Creator: Shannon, James A.National Institutes of Health (U.S.) Date: 8 October 1958 Genre: Letters (correspondence)
5. Letter from James A. Shannon to John E. Fogarty Creator: Shannon, James A.National Institutes of Health (U.S.) Date: 23 September 1957 Genre: Letters (correspondence)
6. Letter from James A. Shannon to John E. Fogarty Creator: Shannon, James A.National Institutes of Health (U.S.) Date: 19 June 1958 Genre: Letters (correspondence)