Statistics for occurrence #1 of “Miss Belle Boyd” in chapter 1.16 of Southern Historical Society Papers, Volume 25.:

...heavy at Chancellorsville. Its Major, C. C. Blacknall, was wounded here, and fell into the hands of the enemy, was confined in the old Capitol prison at Washington, at the time the Confederate spy, Miss Belle Boyd , was there; but was exchanged in time to return to the army before Gettysburg. The loss in the 23d at Chancellorsville was officially reported by General Rodes, as 173 killed, wounded and missing....
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