1. Letter from Francis Crick to Charles A. Thomas Creator: Crick, Francis, 1916-2004 Date: 10 December 1979 Genre: Letters (correspondence)
2. Letter from Francis Crick to Aaron Klug Creator: Crick, Francis, 1916-2004 Date: 2 November 1976 Genre: Letters (correspondence)Drafts (documents)
3. Letter from Aaron Klug to Francis Crick Creator: Klug, Aaron Date: 21 October 1976 Genre: Letters (correspondence)
4. Letter from Aaron Klug to Francis Crick Creator: Klug, Aaron Date: 15 October 1976 Genre: Letters (correspondence)
5. Letter from Aaron Klug to Francis Crick Creator: Klug, Aaron Date: 12 October 1976 Genre: Letters (correspondence)
6. Letter from Aaron Klug to Francis Crick Creator: Klug, Aaron Date: 28 September 1976 Genre: Letters (correspondence)
8. Letter from Aaron Klug to Francis Crick Creator: Klug, Aaron Date: 12 May 1976 Genre: Letters (correspondence)