If you start at
http://www.ljmu.ac.uk/lea/83096.htm
then click on the top hyperlink to digtial collections you get to
http://150.204.254.241:8881/R/T43L79PJHT69VY7454LQFG5PBYHXCUI3T9GASED35QE6R52CJL-01959?&pds_handle=GUEST
which has Stafford Beer archive as one of its first links.
The latter URL looks like the sort that might disappear at any moment. There are lots of papers about Chile and 'the socialist internet' as the Grauniad described it.