Here are two items listed in the U. S. Army Military History Institute, Carlisle Barracks, Pa bibliography list for the 38th as well as a website.

Good hunting,

George Martin

Hofe, Michael W. That There Be No Stain Upon My Stones: Lieutenant Colonel William L. McLeod, 38th Georgia Regiment, 1842-1863. Gettysburg, PA: Thomas, 1995. 47 p.

Jones, Charles E. Georgia in the War, 1861 1866. Atlanta, GA: Foot & Davies, 1909. See p. 30 (1 photocopied page) for an incomplete list of unit officers.

See also: http://www.civil-war.net/38thGa/history.htm