21. Composite photograph of Francis Crick lecturing Creator: Smith, Bradley Date: [ca. 1979] Genre: Photographic prints
22. Interim Note: Studies on the Physical Properties of the Cytoplasm of Cells in Tissue Culture Creator: Crick, Francis, 1916-2004 Date: [March 1949] Genre: ReportsLaboratory notes
23. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 16 July 1975 Genre: Letters (correspondence)
24. Letter from Fritz Lipmann to Francis Crick Creator: Lipmann, Fritz (Fritz Albert), 1899-1986 Date: 27 November 1961 Genre: Letters (correspondence)
25. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 1 July 1975 Genre: Letters (correspondence)
26. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 4 June 1974 Genre: Letters (correspondence)
27. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 31 March 1965 Genre: Letters (correspondence)
28. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 5 April 1965 Genre: Letters (correspondence)
29. Letter from Francis Crick to James D. Watson and Marshall W. Nirenberg Creator: Crick, Francis, 1916-2004 Date: 29 April 1965 Genre: Letters (correspondence)
30. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 10 March 1966 Genre: Letters (correspondence)Drafts (documents)
31. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 27 September 1966 Genre: Letters (correspondence)
32. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 5 March 1958 Genre: Letters (correspondence)
33. Letter from Andre Lwoff, Institut Pasteur (France) to Francis Crick Creator: Institut Pasteur (Paris, France)Lwoff, Andre, 1902- Date: 13 September 1957 Genre: Letters (correspondence)
34. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 2 August 1960 Genre: Letters (correspondence)
35. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 27 May 1960 Genre: Letters (correspondence)
36. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 14 November 1957 Genre: Letters (correspondence)
37. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 12 April 1958 Genre: Letters (correspondence)
38. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 23 September 1956 Genre: Letters (correspondence)
39. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 8 March 1957 Genre: Letters (correspondence)
40. Letter from James D. Watson to Francis Crick Creator: Watson, James D., 1928- Date: 27 May 1955 Genre: Letters (correspondence)