1. Letter from Francis Crick to James D. Watson Creator: Crick, Francis, 1916-2004 Date: 5 March 1958 Genre: Letters (correspondence)
2. Letter from H. Gobind Khorana to Francis Crick Creator: Khorana, Har Gobind, 1922-2011 Date: 8 November 1968 Genre: Letters (correspondence)