1. Letter from Francis Crick to John T. Edsall, Fogarty International Center Creator: Crick, Francis, 1916-2004 Date: 29 March 1971 Genre: Letters (correspondence)
2. Letter from John T. Edsall, Fogarty International Center to Francis Crick Creator: Fogarty International CenterEdsall, John T. Date: 30 April 1971 Genre: Letters (correspondence)