1. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 5 March 1958 Genre: Letters (correspondence)
2. Letter from Francis Crick to James J. Lingane, Harvard University Chemistry Department Creator: Crick, Francis, 1916-2004 Date: 1 April 1958 Genre: Letters (correspondence)
3. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 12 April 1958 Genre: Letters (correspondence)
4. Letter from Alexander Rich to Francis Crick Creator: Rich, Alexander Date: 2 May 1958 Genre: Letters (correspondence)
5. Letter from Joshua Lederberg to Francis Crick Creator: Lederberg, Joshua Date: 10 December 1958 Genre: Letters (correspondence)
6. Letter from Francis Crick to Joshua Lederberg Creator: Crick, Francis, 1916-2004 Date: 7 January 1959 Genre: Letters (correspondence)
7. Letter from Aaron Klug to Francis Crick Creator: Klug, Aaron Date: 13 February 1959 Genre: Letters (correspondence)
8. Letter from Sydney Brenner to Francis Crick Creator: Brenner, Sydney Date: 24 March 1959 Genre: Letters (correspondence)
9. Letter from Francis Crick to Aaron Klug Creator: Crick, Francis, 1916-2004 Date: 4 April 1959 Genre: Letters (correspondence)
10. Letter from John Burton Sanderson Haldane to Francis Crick Creator: Haldane, J. B. S. (John Burdon Sanderson), 1892-1964 Date: 6 May 1959 Genre: Letters (correspondence)