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)