MMLV1 – The original 2056 world background as issued in 1993. This is a compressed PDF scan of the original.
There is a better quality version PDF of a scan available here.

MML1X – The revised 2059 world background from 1996. This is a compressed PDF scan.
There is a better quality PDF scan here, where you can see Ken MacKriell‘s amazing cover in all its (colour) glory.

Bodycount2 – The combat rules, as written by Alex Hill and Darren Spear. A scanned PDF, compressed.
The higher quality PDF is available here.