In 2019 there was a Reddit thread on r/scheme,
"What happened to readscheme.org ?".
In that thread esgarth advised, "It looks like the actual server is
still up and running."
To access the website you can add the following to /etc/hosts (all
together on one line as space-separated fields).
212.110.186.28
readscheme.org
library.readscheme.org
repository.readscheme.org
www.readscheme.org