1. Letter from Thomas H. Jukes to Francis Crick Creator: Jukes, Thomas H. (Thomas Hughes), 1906-1999 Date: 20 December 1979 Genre: Letters (correspondence)
2. Letter from Francis Crick to Aaron Klug Creator: Crick, Francis, 1916-2004 Date: 30 March 1977 Genre: Letters (correspondence)
3. Letter from Francis Crick to H. Gobind Khorana Creator: Crick, Francis, 1916-2004 Date: 28 June 1974 Genre: Letters (correspondence)
4. Letter from H. Gobind Khorana to Francis Crick Creator: Khorana, Har Gobind, 1922-2011 Date: 22 May 1974 Genre: Letters (correspondence)Diagrams
5. Letter from Francis Crick to Thomas H. Jukes Creator: Crick, Francis, 1916-2004 Date: 20 May 1974 Genre: Letters (correspondence)
6. Letter from Thomas H. Jukes to Francis Crick Creator: Jukes, Thomas H. (Thomas Hughes), 1906-1999 Date: 16 May 1974 Genre: Letters (correspondence)
7. Letter from Eric I. Hamilton to Francis Crick Creator: Hamilton, Eric I. Date: 20 August 1973 Genre: Letters (correspondence)
8. Letter from Francis Crick to H. Gobind Khorana Creator: Crick, Francis, 1916-2004 Date: 16 April 1969 Genre: Letters (correspondence)
9. Letter from H. Gobind Khorana to Francis Crick Creator: Khorana, Har Gobind, 1922-2011 Date: 12 April 1969 Genre: Letters (correspondence)
10. Letter from Francis Crick to H. Gobind Khorana Creator: Crick, Francis, 1916-2004 Date: 6 March 1969 Genre: Letters (correspondence)