The following files were found on Mountain Avenue. I understood
that they all came from the final Bell Labs Plan 9 file server:

1e.tar.bz2:
First Edition Plan 9
bzip2 tar file

2e.tar.bz2:
Second Edition Plan 9
bzip2 tar file

v8.tar.bz2:
Eight Edition Research Unix
bzip2 tar file

v8jerq.tar.bz2:
Support for the JERQ terminal under 8th Edition
bzip2 tar file

v10src.tar.bz2:
Source for Tenth Edition Research Unix
bzip2 tar file

v10blit.tar.bz2:
Support for the Blit terminal under 10th Edition
bzip2 tar file