Public Domain CD images

Back in the 90s I bought a fair number of CDs, mostly Infomagic and Walnut Creek. It's how I first got a copy of RedHat. I've thrown away most of them, but I found a few in my basement.

I also have a few Yggdrasil Linux disks...

The Complete GNU Software Library, September 1994 ISO Image
Project Gutenburg, April 1994 ISO Image
Simtel-20 Archives, March 1994 Disk 1 Image
Disk 2 Image
Source Code CD-ROM, March 1992 ISO Image
X11R5 Sources, December 1992 ISO Image