Edward M. Ballard, Private, Company E, 9th Regiment/Greer's Battalion, Tennessee Cavalry, captured in Benton, County, Tennessee May 26, 1863, received at Military Prison, Alton, Illinois June 29, admitted U. S. A. Post and Prison Hospital August 5, Small Pox, died August 20, 1863

within his file are two cards for:

Edward M. Ballard, Private, Bell's Regiment Missouri, captured at Helena, Arkansas July 4, 1863, died at Alton Military Prison, August 20, 1863, Small Pox

A card in his file from the Adjutant General, War Department's office contains the following:

A. G. O. 10" S?, May 2-08, Card from Alton, Ill. Reg. No. 8, page 6, shows
Edward M. Ballard, Pvt. Bells Regt. Mo. Captured Helena, Ark July 4/63 Died Aug 20/63 Small Pox
We can not locate him, Can you find anything addlt?
Respectfully /s/ OBBrown
Mr. Brown: barded[?] Reg/Alton shows above as Edward M. Ballard Pvt. Co. E 9 Regt Tenn. Cav. one & same prisoner
Probably pri?? prison cards, but cannot find them 5/4/08

M268: Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Tennessee

Note: Colonel S. S. Bell, 37th Arkansas Infantry was killed at Helena, July 4. However, I do not find a Ballard in the roster of the regiment.
There must have been a clerical error in the Alton prison camp files