1. The Theory of Mutagenesis [Editorial letter] Creator: Orgel, AliceCrick, Francis, 1916-2004Brenner, SydneyBarnett, Leslie Date: 1961 Publisher: London Academic Press Genre: ArticlesLetters (correspondence)
2. An Error in Model Building [Editorial letter] Creator: Crick, Francis, 1916-2004 Date: [25 February 1967] Publisher: Nature Publishing Group Genre: ArticlesLetters (correspondence)
3. Origin of the Genetic Code [Editorial letter] Creator: Crick, Francis, 1916-2004 Date: [14 January 1967] Publisher: Nature Publishing Group Genre: ArticlesLetters (correspondence)
4. The Theory of Inter-allelic Complementation Creator: Orgel, Leslie E.Crick, Francis, 1916-2004 Date: 1964 Publisher: London Academic Press Genre: ArticlesLetters (correspondence)