Gregory Bateson - From Versalles to Cybernetics (1966) 

A lecture given by Bateson in April, 21, 1966, to the "Two Worlds Symposium", at California State University, Sacramento.
Bateson's reflects upon twenty century History in terms of critical moments in which profound attitudinal changes are produced. According to him, the most significant events were the writing of the Treaty of Versailles and the cybernetic breakthrough.
Copyright status unknown.
You can hear the unedited and uncutted recording here:
archive.org/de...
You can find a transcription in ‘Steps to an Ecology of Mind’ (1972, University of Chicago):
press.uchicago...
Spanish translation (CC) by me.