That photo comes from a book "History of the Twentieth Tennessee" by W.J. McMurray and published in 1904, page 190 to 203. Perhaps a college library that has a decent Civil War collection would have this book. I found the photo posted on a website describing the Battle of Mill Springs by doing a simple Google search for Colonel Joel A. Battle, which is a pretty decent copy, and better than the lithograph drawing that appears on another website about the regiment.