Foerster H. von, Mead M. & Teuber H. L. (1950) Cybernetics: Transactions of the Seventh Conference. Josiah Macy Jr. Foundation, New York.

Foerster H. von, Mead M. & Teuber H. L. (1951) Cybernetics: Transactions of the Eighth Conference. Josiah Macy Jr. Foundation, New York.

Foerster H. von, Mead M. & Teuber H. L. (1953) A note from the editors. In: Cybernetics: Circular causal and feedback mechanisms in biological and social systems, transactions of the eighth conference, 15–16 March 1951. Josiah Macy Jr. Foundation, New York: xi-xx. Fulltext at https://cepa.info/2709

Foerster H. von, Mead M. & Teuber H. L. (1953) Cybernetics: Transactions of the Ninth Conference. Josiah Macy Jr. Foundation, New York.

Foerster H. von, Mead M. & Teuber H. L. (1955) Cybernetics: Transactions of the Tenth Conference. Josiah Macy Jr. Foundation, New York.

Mead M. (1968) Cybernetics of cybernetics. In: Foerster H. von, White J. D., Peterson L. J. & Russell J. K. (eds.) Purposive Systems. Spartan Books, New York: 1–11. Fulltext at https://cepa.info/2634