Commanding Officer at Sharpsburg:
LCol. R. Lindsay Walker
On the Sharpsburg Campaign
"Braxton's [Fredericksburg, Virginia], Crenshaw's, McIntosh's [Pee Dee, South Carolina] and Pegram's [Purcell, Virginia] batteries engaged at Sharpsburg".
"Davidson's [Letcher, Virginia] battery had been left at Harper's Ferry, and Fleet's [Middlesex, Virginia] and Latham's [Branch's, North Carolina] batteries at Leesburg".1