I pulled copies from Clem's recommendation,

> The DWB distribution from the Toolkit is not around to my knowledge, but: https://minnie.tuhs.org/cgi-bin/utree.pl?file=V8/usr/src/cmd look for the diction and style directories, which should be close.

I got them to compile with modern C.  Then I found that FSF has their own rewrites.https://www.gnu.org/software/diction/  It's only three years old, not 30. :)

Just FYI.