1. Letter from Paul Berg to Daniel Nathans Creator: Berg, PaulStanford University. Medical Center Date: 13 September 1977 Genre: Letters (correspondence)
2. Letter from Paul Berg to Daniel Nathans Creator: Berg, PaulStanford University. Medical Center Date: 6 February 1978 Genre: Letters (correspondence)
3. Letter from Paul Berg to Daniel Nathans Creator: Berg, PaulStanford University. Medical Center Date: 11 June 1973 Genre: Letters (correspondence)
4. Letter from Maurice R. Hilleman to Paul Berg Creator: Merck Institute for Therapeutic ResearchHilleman, Maurice R. Date: 10 July 1973 Genre: Letters (correspondence)
5. Letter from Daniel Nathans to Wallace P. Rowe Creator: Nathans, Daniel, 1928-1999 Date: 1 December 1975 Genre: Letters (correspondence)
6. Letter from Daniel Nathans to Paul Berg Creator: Nathans, Daniel, 1928-1999 Date: 14 February 1978 Genre: Letters (correspondence)
7. Letter from Daniel Nathans to Paul Berg Creator: Nathans, Daniel, 1928-1999 Date: 23 July 1973 Genre: Letters (correspondence)
8. Letter from Daniel Nathans to Aaron J. Shatkin Creator: Nathans, Daniel, 1928-1999 Date: 23 January 1975 Genre: Letters (correspondence)