1. Letter from Francis Crick to Douglas R. Tobin Creator: Crick, Francis, 1916-2004 Date: 27 November 1970 Genre: Letters (correspondence)
2. Letter from Jerry Donohue to Francis Crick Creator: Donohue, Jerry Date: 9 June 1970 Genre: Letters (correspondence)
3. Letter from Francis Crick to Jerry Donohue Creator: Crick, Francis, 1916-2004 Date: 20 May 1970 Genre: Letters (correspondence)
4. Letter from Jerry Donohue to Francis Crick Creator: Donohue, Jerry Date: 10 August 1970 Genre: Letters (correspondence)
5. Letter from Francis Crick to Jerry Donohue Creator: Crick, Francis, 1916-2004 Date: 3 August 1970 Genre: Letters (correspondence)
6. Letter from Francis Crick to Jerry Donohue Creator: Crick, Francis, 1916-2004 Date: [ca. 15 July 1970] Genre: Letters (correspondence)
7. Letter from Jerry Donohue to Francis Crick Creator: Donohue, Jerry Date: 6 May 1970 Genre: Letters (correspondence)
8. Letter from Francis Crick to the Editor of The Sciences Creator: Crick, Francis, 1916-2004 Date: 2 October 1979 Genre: Letters (correspondence)
9. Letter from Margaret Markham to Francis Crick Creator: Markham, Margaret Date: 12 September 1979 Genre: Letters (correspondence)
10. Letter from Charlotte Friend to Francis Crick Creator: Friend, Charlotte Date: 11 September 1979 Genre: Letters (correspondence)