1. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 10 March 1966 Genre: Letters (correspondence)Drafts (documents)
2. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 27 September 1966 Genre: Letters (correspondence)
3. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 23 September 1956 Genre: Letters (correspondence)
4. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 27 May 1955 Genre: Letters (correspondence)
5. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 22 November 1954 Genre: Letters (correspondence)
6. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 11 December 1954 Genre: Letters (correspondence)
7. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 15 October 1954 Genre: Letters (correspondence)
8. Letter from Francis Crick to Andrew Poggenpohl, National Geographic Magazine Creator: Crick, Francis, 1916-2004 Date: 19 August 1974 Genre: Letters (correspondence)
9. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 28 March 1954 Genre: Letters (correspondence)
10. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 13 April 1967 Genre: Letters (correspondence)