1. Circular letter from the European Committee of Scientists for Democracy in Greece Creator: European Committee of Scientists for Democracy in Greece Date: [1969] Genre: Letters (correspondence)
2. Evidence for the Pauling-Corey alpha-Helix in Synthetic Polypeptides [Editorial letter] Creator: Cochran, WilliamCrick, Francis, 1916-2004 Date: 9 February 1952 Publisher: Nature Publishing Group Genre: ArticlesLetters (correspondence)
3. Letter from A. V. Hill to Francis Crick Creator: Hill, A. V. Date: 11 March 1949 Genre: Letters (correspondence)
4. Letter from Aaron Klug to Francis Crick Creator: Klug, Aaron Date: 18 September 1979 Genre: Letters (correspondence)
5. Letter from Aaron Klug to Francis Crick Creator: Klug, Aaron Date: 9 October 1979 Genre: Letters (correspondence)
6. Letter from Alexander Goldfarb to Francis Crick Creator: Goldfarb, Alexander Date: 22 August 1975 Genre: Letters (correspondence)
7. Letter from Charlotte Friend to Francis Crick Creator: Friend, Charlotte Date: 11 September 1979 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 Francis Crick to Charlotte Friend Creator: Crick, Francis, 1916-2004 Date: 18 September 1979 Genre: Letters (correspondence)
10. Letter from Francis Crick to Francois Gros Creator: Crick, Francis, 1916-2004 Date: 19 March 1969 Genre: Letters (correspondence)