The complete listing for the Army of Northern Virginia is in the Southern Historical Society Papers (SHSP), Volume XV, 1887. I find a copy on line at http://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:2001.05.0272. The index is part way down the page on the left under the table of contents.

Another copy is here: http://books.google.com/books?id=0qwTAAAAYAAJ&pg=PR12&lpg=PR12&dq=Southern Historical Society PApers (SHSP) Vol XV, 1887&source=bl&ots=MfUFU7LHHQ&sig=L2uCsBlDfdCzZ3yVbdEebGMHrzY&hl=en&sa=X&ei=PRChUrO2BeK-sQS1sYHgAw&ved=0CFQQ6AEwBw#v=onepage&q&f=false