11. Letter from Francis Crick to Nathan M. Pusey, Harvard University Creator: Crick, Francis, 1916-2004 Date: 1 December 1966 Genre: Letters (correspondence)
12. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 1 November 1966 Genre: Letters (correspondence)
13. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 23 November 1966 Genre: Letters (correspondence)
14. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 10 October 1966 Genre: Letters (correspondence)
15. Letter from Maurice H. F. Wilkins to James D. Watson Creator: Wilkins, Maurice, 1916-2004 Date: 6 October 1966 Genre: Letters (correspondence)
16. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 19 October 1966 Genre: Letters (correspondence)
17. Letter from Francis Crick to Thomas J. Wilson, Harvard University Press Creator: Crick, Francis, 1916-2004 Date: 21 October 1966 Genre: Letters (correspondence)
18. Letter from Francis Crick to James D. Watson (and notes concerning Watson's book, "The Double Helix") Creator: Crick, Francis, 1916-2004 Date: 31 March 1966 Genre: Letters (correspondence)Notes
19. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 10 May 1966 Genre: Letters (correspondence)