| May 26, 1955 : Letter from Walter O'Malley to Buckminster Fuller |
| June 14, 1955 : Letter from Buckminster Fuller to Walter O'Malley |
| January 6, 1956 : Letter from Walter O'Malley to Buckminster Fuller |
| March 12, 1956 : Letter from Buckminster Fuller to Walter O'Malley |
| January 20, 1961 : Letter from Buckminster Fuller to Henry Kaiser |
| January 20, 1961 : Letter from Buckminster Fuller to Peter Sjostrom |
| January 23, 1961 : Letter from Walter O'Malley to Henry Kaiser |
| January 23, 1961 : Letter from Walter O'Malley to Buckminster Fuller |
| January 26, 1961 : Letter from Buckminster Fuller to Walter O'Malley |
| April 10, 1963 : Inscription from Buckminster Fuller to Walter O'Malley |
| December 12, 1963 : Letter from Walter O'Malley to Buckminster Fuller |
| December 27, 1963 : Letter from Buckminster Fuller to Walter O'Malley |
| September 7, 1965 : Letter from Buckminster Fuller to Walter O'Malley |
| September 23, 1965 : Postcard from Walter O'Malley to Buckminster Fuller |
| October 3, 1965 : Telegram from Buckminster Fuller to Walter O'Malley |
| October 4, 1965 : Telegram from Peter O'Malley to Buckminster Fuller |
| April 15, 1967 : Letter from Walter O'Malley to Buckminster Fuller |
| May 23, 1967 : Letter from Buckminster Fuller to Walter O'Malley |
| June 1, 1967 : Letter from Walter O'Malley to Buckminster Fuller |
| September 19, 1972 : Letter from Buckminster Fuller to Walter O'Malley |
| September 26, 1972 : Letter from Walter O'Malley to Buckminster Fuller |
| August 27, 1979 : Letter from Buckminster Fuller to Peter O’Malley |
