11. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 13 February 1954 Genre: Letters (correspondence)
12. Letter from George Gamow to Francis Crick Creator: Gamow, George Date: 8 March 1954 Genre: Letters (correspondence)
13. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 28 March 1954 Genre: Letters (correspondence)
14. Letter from George Gamow to Francis Crick Creator: Gamow, George Date: 27 May 1954 Genre: Letters (correspondence)
15. Letter from J. T. Randall to Francis Crick Creator: Randall, J. T. Date: 17 June 1954 Genre: Letters (correspondence)
16. Notes for a Talk on Brooklyn Work Creator: Crick, Francis, 1916-2004 Date: 30 September 1954 Genre: Lecture notes
17. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 15 October 1954 Genre: Letters (correspondence)
18. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 22 November 1954 Genre: Letters (correspondence)
19. Letter from George Gamow to Francis Crick Creator: Gamow, George Date: [7 December 1954?] Genre: Letters (correspondence)
20. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 11 December 1954 Genre: Letters (correspondence)