41. The Theory of Mutagenesis [Editorial letter] Creator: Orgel, AliceCrick, Francis, 1916-2004Brenner, SydneyBarnett, Leslie Date: 1961 Publisher: London Academic Press Genre: ArticlesLetters (correspondence)
42. The Molecular Structure of Polyadenylic Acid Creator: Watson, James D., 1928-Rich, AlexanderCrick, Francis, 1916-2004Davies, David Date: 1961 Publisher: London Academic Press Genre: Articles
43. UGA: A Third Nonsense Triplet in the Genetic Code Creator: Katz, E. R.Crick, Francis, 1916-2004Brenner, SydneyBarnett, Leslie Date: 4 February 1967 Publisher: Nature Publishing Group Genre: Articles
44. The Croonian Lecture, 1966: The Genetic Code Creator: Crick, Francis, 1916-2004 Date: 1967 Publisher: Royal Society Great Britain Genre: ArticlesLectures
45. An Error in Model Building [Editorial letter] Creator: Crick, Francis, 1916-2004 Date: [25 February 1967] Publisher: Nature Publishing Group Genre: ArticlesLetters (correspondence)
46. Some Aspects of Medical Research: The Genetic Code Creator: Medical Research Council (Great Britain) Date: 1963 Publisher: Her Majesty's Stationery Office Genre: ReportsExcerpts
47. The Biochemistry of Genetics Creator: Crick, Francis, 1916-2004 Date: [1964] Publisher: International Congress of Biochemistry (6th : 1964 : New York, N.Y.) Genre: Articles
48. Letter from H. Gobind Khorana to Francis Crick Creator: Khorana, Har Gobind, 1922-2011 Date: 15 April 1965 Genre: Letters (correspondence)
49. Letter from Francis Crick to H. Gobind Khorana Creator: Crick, Francis, 1916-2004 Date: 29 April 1965 Genre: Letters (correspondence)
50. Letter from Francis Crick to H. Gobind Khorana Creator: Crick, Francis, 1916-2004 Date: 4 November 1966 Genre: Letters (correspondence)
51. Letter from Francis Crick to Vernon M. Ingram Creator: Crick, Francis, 1916-2004 Date: 28 April 1965 Genre: Letters (correspondence)
52. Letter from Francis Crick to Vernon M. Ingram Creator: Crick, Francis, 1916-2004 Date: 26 March 1960 Genre: Letters (correspondence)
53. Letter from Vernon M. Ingram to Francis Crick Creator: Ingram, Vernon M. Date: 15 March 1960 Genre: Letters (correspondence)
54. Letter from Vernon M. Ingram to Francis Crick Creator: Ingram, Vernon M. Date: 4 May 1965 Genre: Letters (correspondence)
55. Letter from Francis Crick to Robert W. Holley Creator: Crick, Francis, 1916-2004 Date: 29 April 1965 Genre: Letters (correspondence)
56. Letter from Francis Crick to Harold Frank Robinson, North Carolina State University Institute of Biological Sciences Creator: Crick, Francis, 1916-2004 Date: 21 February 1964 Genre: Letters (correspondence)
57. Letter from Francis Crick to Marshall W. Nirenberg Creator: Crick, Francis, 1916-2004 Date: 16 November 1961 Genre: Letters (correspondence)
58. Letter from Francis Crick to Marshall W. Nirenberg Creator: Crick, Francis, 1916-2004 Date: 5 December 1962 Genre: Letters (correspondence)
59. Letter from Francis Crick to Marshall W. Nirenberg Creator: Crick, Francis, 1916-2004 Date: 29 January 1962 Genre: Letters (correspondence)
60. Letter from Marshall W. Nirenberg to Francis Crick Creator: Nirenberg, Marshall W. Date: 16 November 1962 Genre: Letters (correspondence)