Computer Systems Research Group (CSRG)'s repositories
original-bsd
Original BSD history converted from CSRG's SCCS repository to Git (via SVN)
csrg-git-patches
notes on converting CSRG SCCS to git
irix-3.x-src
IRIX 3.x Source Code From Bitsavers
unix-history-make
Code and data to create a git repository representing the Unix source code history
unix-history-repo
Continuous Unix commit history from 1970 until today