1. An Error in Model Building [Editorial letter] Creator: Crick, Francis, 1916-2004 Date: [25 February 1967] Publisher: Nature Publishing Group Genre: ArticlesLetters (correspondence)
2. Origin of the Genetic Code [Editorial letter] Creator: Crick, Francis, 1916-2004 Date: [14 January 1967] Publisher: Nature Publishing Group Genre: ArticlesLetters (correspondence)