51. Letter from Francis Crick to Aaron Klug [letter 2] Creator: Crick, Francis, 1916-2004 Date: 27 April 1977 Genre: Letters (correspondence)
52. Letter from Aaron Klug to Francis Crick Creator: Klug, Aaron Date: 27 January 1977 Genre: Letters (correspondence)
53. Letter from Aaron Klug to Francis Crick Creator: Klug, Aaron Date: 6 April 1977 Genre: Letters (correspondence)
54. Letter from Aaron Klug to Francis Crick Creator: Klug, Aaron Date: 11 March 1977 Genre: Letters (correspondence)
55. Letter from Francis Crick to G. A. Rodley Creator: Crick, Francis, 1916-2004 Date: 11 May 1977 Genre: Letters (correspondence)
56. Letter from Francis Crick to Aaron Klug [letter 1] Creator: Crick, Francis, 1916-2004 Date: 27 April 1977 Genre: Letters (correspondence)
57. Letter from Aaron Klug to Francis Crick Creator: Klug, Aaron Date: 7 April 1977 Genre: Letters (correspondence)
58. Letter from Francis Crick to Aaron Klug Creator: Crick, Francis, 1916-2004 Date: 4 October 1977 Genre: Letters (correspondence)
59. Letter from Francis Crick to Aaron Klug Creator: Crick, Francis, 1916-2004 Date: 17 January 1977 Genre: Letters (correspondence)
60. Letter from Francis Crick to Aaron Klug Creator: Crick, Francis, 1916-2004 Date: 2 November 1976 Genre: Letters (correspondence)Drafts (documents)