41. Summary of Data on Effects of Chemical Disinfection (Chlorox) and Standard Autoclaving on SV40 Virus and Its Isolated DNA Creator: Berg, Paul Date: [13 April 1976] Genre: Reports
42. Letter from Paul Berg to Robert Koch Creator: Berg, Paul Date: 25 July 1979 Genre: Letters (correspondence)
43. Letter from Maxine Singer and Dieter Soll to Philip Handler Creator: Soll, DieterSinger, Maxine Date: [ca. 21 June 1973] Genre: Letters (correspondence)
44. Letter from Paul Berg to Patricia Berg Creator: Berg, Paul Date: 11 February 1974 Genre: Letters (correspondence)
45. Letter from Maxine Singer to participants in the 1973 Gordon Conference on Nucleic Acids Creator: Singer, Maxine Date: 21 June 1973 Genre: Letters (correspondence)
46. Letter from Paul Berg to Maxine Singer Creator: Berg, Paul Date: 27 June 1973 Genre: Letters (correspondence)
47. Letter from Patricia Berg to Paul Berg Creator: Berg, PatriciaUniversity of Chicago Date: 5 February 1974 Genre: Letters (correspondence)
48. Letter from Alain Rambach to Paul Berg Creator: Rambach, AlainInstitut Pasteur (Paris, France) Date: 17 January 1977 Genre: Letters (correspondence)
49. Letter from Paul Berg to Alain Rambach Creator: Berg, Paul Date: 26 January 1977 Genre: Letters (correspondence)
50. Letter from J. D. Coombes to Paul Berg Creator: Hoechst UK LimitedCoombes, J. D. Date: 4 July 1978 Genre: Letters (correspondence)