When I was joined to Apple Developer Connection I purchased the MacOS Anthology: a set of 8 DVDs with all systems 7 to 9 in every language (hmmm, am I violating the non-disclosure agreement with this post?) :-x

But I use no floppies -- my USB & DVD to SCSI converter (aka Lombard PB G3) got the images into a SCSI drive, easily connected to my vintage Macs. That's how I feed them