1. Letter from Marvin L. Minsky to Joshua Lederberg Creator: Minsky, Marvin, 1927-2016 Date: 20 October 1955 Genre: Letters (correspondence)
2. Letter from Marvin L. Minsky to Joshua Lederberg Creator: Minsky, Marvin, 1927-2016 Date: 30 April 1963 Genre: Letters (correspondence)
3. Letter from Marvin L. Minsky to Scientific American Creator: Minsky, Marvin, 1927-2016 Date: 31 July 1963 Genre: Letters (correspondence)
4. Letter from Marvin L. Minsky to Joshua Lederberg Creator: Minsky, Marvin, 1927-2016 Date: 4 September 1963 Genre: Letters (correspondence)
5. Letter from Marvin L. Minsky to Joshua Lederberg Creator: Minsky, Marvin, 1927-2016 Date: 1963 Genre: Letters (correspondence)