Mr. Wise,
If you are looking for specific Staff Officer's names then you can look in Joseph H. Crute, Jr.'s book, Confederate Staff Officers. It has those that served on Brigade Officer's staffs and above.
If you are looking for men below that level then the multi-volume set of books by Lillian Henderson, Roster of the Soldiers Confederate States of Georgia, 1861-1865 will give you the men in the regiments. This set of books have the infantry units but is a hit or miss on artillery units, and I do not believe has any cavalry units. You will find most of the men of the regiment and a very brief synopsis of their history. She did miss people and the consistency of her and her team's evaluation of each record is a hit or miss too.
I hope this helps. Please let me know if you have any questions.
Respectfully,
Gerald D. Hodge, Jr.
War Between the States Historian
Historian: 39th Georgia Volunteer Infantry Regiment
http://39thgavolinfrgt.homestead.com/39thHomepage.html