Statistics for occurrence #1 of “Lieutenant Colonel Williams” in chapter 2 of Jubal Anderson Early, Ruth Hairston Early, Lieutenant General Jubal A. Early , C. S. A.:
...a was commanded by Colonel James L. Kemper, and the 24th by Lieutenant Colonel Peter Hairston.
On the 12th of July I made another reconnaissance to Occoquon, with the 7th Virginia Regiment under Lieutenant Colonel Williams , and a section of the Washington Artillery of New Orleans, under Lieutenant Squires, and returned to camp on the 14th.
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