The floppy images in the directory Floppies are provided by Claudio Tantignone.

md5 sums for those images are:
F18201200CF30366AA371D4D52A678B5 368640 MINIX1.IMG
E0AEF7E78D2DF05989AE9FF763C9B54E 368640 MINIX2.IMG
CB821370D76DB9DD778273F5C054C034 368640 MINIX3.IMG
82A3F70ED54687F32EA237E22F5F22A8 368640 MINIX4.IMG
191998538E4D5D6093140529F0A56F62 368640 MINIX5.IMG
65C280EA4E465BC07B6AED8FA351A595 368640 MINIX6.IMG
1F8F6CB220578E7368966EB7D79D3E87 368640 MINIX7.IMG
46A01ED457E1885C420D548CB2B3B8F1 368640 MINIX8.IMG
B71B42C400ECCB10B6545259CA899AED 368640 MINIX9.IMG

The directory Tarfiles contains tar files based on those images.

The directories root and usr are the result of extracting the tar files in
various places in the tree.