1. Letter from Aaron Klug to Francis Crick Creator: Klug, Aaron Date: 18 September 1979 Genre: Letters (correspondence)
2. Letter from Charlotte Friend to Francis Crick Creator: Friend, Charlotte Date: 11 September 1979 Genre: Letters (correspondence)
3. Letter from Charlotte Friend to the Editor of The Sciences Creator: Friend, Charlotte Date: December 1979 Publisher: New York Academy of Sciences Genre: Letters (correspondence)
4. Letter from Francis Crick to Rosalind Franklin (and notes on two papers by Franklin and Raymond Gosling) Creator: Crick, Francis, 1916-2004 Date: 5 June 1953 Genre: Letters (correspondence)Notes
5. Letter from Francis Crick to the Editor of The Sciences Creator: Crick, Francis, 1916-2004 Date: 2 October 1979 Genre: Letters (correspondence)
6. Letter from Margaret Markham to Francis Crick Creator: Markham, Margaret Date: 12 September 1979 Genre: Letters (correspondence)