1. Letter from Francis Crick to James D. Watson

Date:

5 April 1965

2. Letter from Francis Crick to James D. Watson and Marshall W. Nirenberg

Date:

29 April 1965

3. Letter from Francis Crick to Andre Lwoff, Institut Pasteur (France)

Date:

25 September 1957

4. Letter from Francis Crick to Marshall W. Nirenberg

Date:

21 April 1966

5. Letter from Francis Crick to Marshall W. Nirenberg

Date:

10 May 1966

6. Letter from Francis Crick to Thomas H. Jukes

Date:

20 May 1974

7. Letter from Francis Crick to H. Gobind Khorana

Date:

28 June 1974

8. Letter from Francis Crick to Sewell Champe

Date:

24 October 1966

9. Letter from Francis Crick to Sewell Champe

Date:

6 March 1967

10. Letter from Francis Crick to Sewell Champe

Date:

2 November 1966