1. Letter from Francis Crick to John A. B. Gray, Medical Research Council of Great Britain Creator: Crick, Francis, 1916-2004 Date: 5 November 1968 Genre: Letters (correspondence)
2. Letter from Francis Crick to Howard M. Temin Creator: Crick, Francis, 1916-2004 Date: 17 September 1970 Genre: Letters (correspondence)
3. Letter from Francis Crick to Warren Weaver Creator: Crick, Francis, 1916-2004 Date: 16 May 1967 Genre: Letters (correspondence)
4. Letter from Francis Crick to Howard M. Temin Creator: Crick, Francis, 1916-2004 Date: 3 August 1970 Genre: Letters (correspondence)
5. Letter from Sewell Champe to Francis Crick Creator: Champe, Sewell Date: 1 March 1967 Genre: Letters (correspondence)
6. Letter from Leo Sachs, Weizmann Institute of Science to Francis Crick Creator: Sachs, LeoThe Weizmann Institute of Science Date: 6 September 1970 Genre: Letters (correspondence)
7. Letter from Francis Crick to H. Gobind Khorana Creator: Crick, Francis, 1916-2004 Date: 14 November 1968 Genre: Letters (correspondence)
8. Letter from H. Gobind Khorana to Francis Crick Creator: Khorana, Har Gobind, 1922-2011 Date: 8 November 1968 Genre: Letters (correspondence)