11. Letter from C. H. Waddington to Francis Crick Creator: Waggington, C. H. (Conrad Hal), 1905-1975 Date: 27 December 1967 Genre: Letters (correspondence)
12. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 17 March 1966 Genre: Letters (correspondence)
13. Letter from Alexander Goldfarb to Francis Crick Creator: Goldfarb, Alexander Date: 22 August 1975 Genre: Letters (correspondence)
14. Letter from Francis Crick to C. H. Waddington Creator: Crick, Francis, 1916-2004 Date: 9 November 1967 Genre: Letters (correspondence)
15. Letter from Francis Crick to Nikolai V. Podgorny, Chairman of the Presidium of the Supreme Soviet of the U.S.S.R. Creator: Crick, Francis, 1916-2004 Date: 2 December 1974 Genre: Letters (correspondence)
16. Letter from Francis Crick to John A. B. Gray, Medical Research Council of Great Britain Creator: Crick, Francis, 1916-2004 Date: 5 November 1968 Genre: Letters (correspondence)
17. Letter from Francis Crick to Howard M. Temin Creator: Crick, Francis, 1916-2004 Date: 17 September 1970 Genre: Letters (correspondence)
18. Letter from Francis Crick to Warren Weaver Creator: Crick, Francis, 1916-2004 Date: 16 May 1967 Genre: Letters (correspondence)
19. Letter from Francis Crick to Thomas H. Jukes Creator: Crick, Francis, 1916-2004 Date: 20 May 1974 Genre: Letters (correspondence)
20. Letter from Francis Crick to W. Traub Creator: Crick, Francis, 1916-2004 Date: 2 January 1970 Genre: Letters (correspondence)