1. Letter from Arthur J. Walker to Marshall W. Nirenberg and J. Heinrich Matthaei Creator: Walker, Arthur J. Date: 3 May 1962 Genre: Letters (correspondence)
2. The Genetic Code: II Creator: Nirenberg, Marshall W. Date: 1963 Publisher: Scientific American Genre: Articles
3. Letter from Frances Bacus to Marshall W. Nirenberg Creator: Bacus, Frances Date: 3 December 1971 Genre: Letters (correspondence)