1. Letter from Francis Crick to Andre Lwoff, Institut Pasteur (France) Creator: Crick, Francis, 1916-2004 Date: 25 September 1957 Genre: Letters (correspondence)
2. Letter from Francis Crick to Cy Levinthal Creator: Crick, Francis, 1916-2004 Date: 1 February 1957 Genre: Letters (correspondence)
3. Letter from Francis Crick to Cy Levinthal Creator: Crick, Francis, 1916-2004 Date: 5 April 1957 Genre: Letters (correspondence)
4. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 14 November 1957 Genre: Letters (correspondence)
5. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 8 March 1957 Genre: Letters (correspondence)
6. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 19 November 1956 Genre: Letters (correspondence)
7. Letter from Francis Crick to Jerry Donohue Creator: Crick, Francis, 1916-2004 Date: 28 April 1956 Genre: Letters (correspondence)
8. Letter from Francis Crick to Jerry Donohue Creator: Crick, Francis, 1916-2004 Date: 1 August 1956 Genre: Letters (correspondence)
9. Letter from Francis Crick to Jerry Donohue Creator: Crick, Francis, 1916-2004 Date: 11 October 1956 Genre: Letters (correspondence)
10. Letter from Francis Crick to John Red Raper, Harvard University, The Biological Laboratories Creator: Crick, Francis, 1916-2004 Date: 11 March 1955 Genre: Letters (correspondence)