Statistics for occurrence #1 of “Brig.-Gen. S. R. Anderson” in chapter 12 of Maj. Jed. Hotchkiss, Confederate Military History, a library of Confederate States Military History: Volume 3, Virginia:

...des joined Jackson on Christmas day of 1861. It was agreed that Loring should retain command of his own troops, the three infantry brigades under Col. William B. Taliaferro, Col. William Gilham and Brig.-Gen. S. R. Anderson , and Marye's and Shumaker's batteries, in all nearly 6,000 men, which increased Jackson's entire force, counting 2,000 or 3,000 militia, to about 11,000. Loring was recognized as second in command....
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