Statistics for occurrence #1 of “Colonel McCullough” in chapter 19 of Brigadier-General Ellison Capers, Confederate Military History, a library of Confederate States Military History: Volume 5, South Carolina:

...nter in rugged east Tennessee. On November 20th the South Carolina commands with Bragg on Missionary ridge were the Tenth and Nineteenth, Maj. James L. White (Manigault's brigade); the Sixteenth, Colonel McCullough , and Twenty-fourth, Colonel Stevens (Gist's brigade), and Ferguson's battery. These troops fell back with the army on November 25th, and passed the winter of 1863-64 in the vicinity of Dalton. ...
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