Cayley, David (Autor Personal)

His The age of ecology, 1991: t.p. (David Cayley) Can. CIP (Cayley, David)

The expanding prison, 1998: t.p. (David Cayley) p.4 of cover (David Cayley, writer and broadcaster)

Wikipedia, Oct. 10, 2014 (David Cayley, is a Toronto-based Canadian writer and broadcaster, who was a friend of Ivan Illich. His work airs on CBC Radio One's program Ideas.)

Ivan Illich, 2021: ECIP title page (David Cayley) data view (Birth Year: 1946; David Cayley is a Canadian writer and broadcaster. He has produced and presented hundreds of radio documentaries, including two five-hour series with Ivan Illich, and published seven books, among them The Rivers North of the Future: The Testament of Ivan Illich)