41. Letter from Leslie E. Orgel to Arthur Kornberg Creator: Orgel, Leslie E. Date: [ca. August 1969] Genre: Letters (correspondence)
42. Letter from Arthur Kornberg to Leslie E. Orgel and Francis Crick Creator: Kornberg, Arthur, 1918-2007 Date: 19 August 1969 Genre: Letters (correspondence)
43. Letter from Julius Marmur to Arthur Kornberg Creator: Marmur, Julius, 1926-1996Harvard University Date: 28 January 1960 Genre: Letters (correspondence)
44. Letter from I. Robert Lehman to Julius Marmur Creator: Lehman, I. Robert Date: 9 February 1960 Genre: Letters (correspondence)
45. Letter from Francis Crick to Arthur Kornberg Creator: Crick, Francis, 1916-2004Cavendish Laboratory (Cambridge, England) Date: 10 May 1960 Genre: Letters (correspondence)
46. Letter from H. George Mandel to Arthur Kornberg Creator: George Washington University. School of MedicineMandel, H. George Date: 7 January 1960 Genre: Letters (correspondence)
47. Letter from Andre Lwoff to Arthur Kornberg Creator: Institut Pasteur (Paris, France)Lwoff, Andre, 1902- Date: 27 September 1960 Genre: Letters (correspondence)
48. Letter from Arthur Kornberg to H. George Mandel Creator: Kornberg, Arthur, 1918-2007 Date: 11 January 1960 Genre: Letters (correspondence)
49. Letter from Van R. Potter to Arthur Kornberg Creator: University of Wisconsin. School of MedicinePotter, Van Rensselaer, 1911- Date: 18 May 1960 Genre: Letters (correspondence)
50. Letter from Arthur Kornberg to Andre Lwoff Creator: Kornberg, Arthur, 1918-2007 Date: 6 October 1960 Genre: Letters (correspondence)