> We have a printed copy of the original SETL based NYU Ada/Ed but we are still to find the original SETL implementation
This got me interested. I may not have found what you're looking for, but I found something.
The current git repo's first commit is "based upon SSoS2I 1.0.1" [0].
[0] https://github.com/herrmanntom/setlX/commit/ae1e8a16fb1c15d8...