1. Letter from Fritz Lipmann to Francis Crick Creator: Lipmann, Fritz (Fritz Albert), 1899-1986 Date: 27 November 1961 Genre: Letters (correspondence)
2. Letter from Fritz Lipmann to Francis and Odile Crick Creator: Lipmann, Fritz (Fritz Albert), 1899-1986 Date: 16 June 1976 Genre: Letters (correspondence)