Statistics for occurrence #1 of “Maj. W. C. Capers” in chapter 15, page 158 of John Dimitry , A. M., Confederate Military History, a library of Confederate States Military History: Volume 10.1, Louisiana:

...ry, Lieutenant Cluverius, and Captains John H. Lamon's and Edward G. Butler's companies of the First heavy artillery were assigned to the left wing, under Colonel Fuller. At battery McIntosh, under Maj. W. C. Capers , were Companies A and D of the First heavy artillery; at battery Gladden, Companies B and G, under Capt. R. C. Bond; and at battery Missouri, Capt. James Gibney, were Companies E and K, Twenty-second...
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