The following list provides links to other resources that are related to Ross.
An Introduction to Cybernetics
(1956) PDF published by Principia Cybernetica.
Design for a Brain; The Origin of Adaptive Behaviour
(1960), is available in many formats at archive.org.
W. Ross Ashby
site by John Ashby, describes how he did the scanning.
simulation by Horace Townsend.
William Ross Ashby Papers
at the University of Illinois at Urbana-Champaign Archives.
Principles of the self-organizing system
(1962) PDF published in Emergence: Complexity and Organization.
Mechanisms of Intelligence: Ashby's Writings on Cybernetics
(1981) by Roger Conant.
Also see the
page, which contain many links to other papers that were written by Ross.