His personal record came from the Compiled Service Records through an on-line subscription service, Fold.3
You can procure these records through a service provided by these message boards at:
http://history-sites.com/research/
I came up with this following site by doing a Goggle search: Harris' Alabama Battalion Camp of Correction
http://books.google.com/books?id=dJAtAAAAIAAJ&pg=PA875&dq=Harris'+Alabama+Battalion+Camp+of+Correction&hl=en&sa=X&ei=6OtaVNfZKoG1oQTvmILgDA&ved=0CCgQ6AEwAA#v=onepage&q=Harris'%20Alabama%20Battalion%20Camp%20of%20Correction&f=false
See the table of organization on page 875