1. Detail from notes on the structure of DNA Creator: Crick, Francis, 1916-2004 Date: [ca. 1953] Genre: NotesDiagramsElectronic imagesExcerpts
2. Letter from Francis Crick to James D. Watson (and notes concerning Watson's book, "The Double Helix") Creator: Crick, Francis, 1916-2004 Date: 31 March 1966 Genre: Letters (correspondence)Notes
3. Letter from Francis Crick to Rosalind Franklin (and notes on two papers by Franklin and Raymond Gosling) Creator: Crick, Francis, 1916-2004 Date: 5 June 1953 Genre: Letters (correspondence)Notes
4. Fragment of notes on a double helix model for DNA Creator: Crick, Francis, 1916-2004 Date: [ca. 1953] Genre: NotesExcerptsDrafts (documents)
5. [Notes on] "Degenerate Templates" Creator: Crick, Francis, 1916-2004 Date: [ca. 1953-1955] Genre: NotesDiagrams
6. Notes on possible genetic codes (#3) Creator: Crick, Francis, 1916-2004 Date: [ca. 1953-1955] Genre: Notes
7. Notes on possible genetic codes (#2) Creator: Crick, Francis, 1916-2004 Date: [ca. 1953-1955] Genre: Notes
8. Notes on a proposed structure for DNA Creator: Crick, Francis, 1916-2004 Date: [ca. 1953] Genre: Notes