I bought two Walnut Creek discs off ebay. Just some quick (but good) rips for now, have fun:
Toolkit For Quake (QTOOL_0996)
https://www.quaddicted.com/files/commercial/Toolkit%20For%20Quake%20(QTOOL_0996).7z
https://www.quaddicted.com/files/commercial/Toolkit%20For%20Quake%20(QTOOL_0996).bincue.7z
https://www.quaddicted.com/files/commercial/Toolkit%20For%20Quake%20(QTOOL_0996).iso.7z
Toolkit For Quake 2nd Edition (QTool_0197)
https://www.quaddicted.com/files/commercial/Toolkit%20For%20Quake%202nd%20Edition%20(QTool_0197).7z
https://www.quaddicted.com/files/commercial/Toolkit%20For%20Quake%202nd%20Edition%20(QTool_0197).bincue.7z
https://www.quaddicted.com/files/commercial/Toolkit%20For%20Quake%202nd%20Edition%20(QTool_0197).iso.7z
No reason to grab the bin/cue or iso if you are just after the files. bin and iso should be pretty much the same.
I’ll scan and document them properly some day. If you are anxious about it, do remind me. 