On Wed, 19 Feb 2020, Warren Toomey wrote:
[...]
It was at that point that I began the quest to get the
"ancient" Unix
sources put under a free/cheap licence.
And somewhere, I still have my Ancient Unix Licence; paid good money for
it, too :-)
Oh, and don't forget that TUHS was born of PUPS, and I think that I
suggested the name of COFF.
-- Dave