"Support Professional" or AppleCare Technician Software Recovery discs:"For Power Macintosh computers before G3 - May 1999" (Includes Mac OSes 7.1.2, 7.5.3, 7.4.4, 7.6, 7.6.1, 8.0, 8.1, 8.5, plus software updates for just about any piece of software for any Power Mac; part of a 4-disc set, this is the only one I have.)
"For Power Macintosh computers before G3 - Aug 1999" (Basically the same as above, only newer.)
"For Power Macintosh G3 and iMac computers - Aug 1999" ((Includes Mac OSes 8.0, 8.1, 8.5, 8.5.1, 8.6; as individual "Generic" OS installs as well as divided up into installs for each computer. Plus "System Updates" and software updates for any software that might conceivably be supported on those computers in August 1999. This disc is bootable with Mac OS 8.6 as its OS. Part of a 4-disc set, with the disc above.)
"For Power Macintosh G3 and iMac - May 2000" (Basically the same as above, only newer. This was part of a 5-disc set, but this is the only one I have of this set. Despite its name, it also works on PowerBook G3, iBook, and the first gen Power Mac G4s; although Mac OS 9.0 was on a separate disc.)