From the National Archives, RG 109, Ch. 9, Vol. 199½, "Letters & Orders Issued, Confederate Military Prison, Jan. 1862 - Dec. 1863." p. 19
C. S. Military Prisons,
Sept. 7, 1862
Major W. M. Elliot
Comdg City Battn.
Major:
You will please send to this prison twenty guard to conduct prisoners to Belle Island - send them immediately if possible.
H. Wirz
Capt. Comdg