Statistics for occurrence #1 of “Capt. Wm. A. Harn” in chapter 14 of A. J. Bennett, private , First Massachusetts Light Battery, The story of the First Massachusetts Light Battery , attached to the Sixth Army Corps : glance at events in the armies of the Potomac and Shenandoah, from the summer of 1861 to the autumn of 1864.:
...; Battery G, 2d United States, Lieut. G. H. Butler; Battery C, 1st Rhode Island, Capt. Richard Waterman; Battery G, 1st Rhode Island, Capt. G. W. Adams; 1st New York, Capt. Andrew Cowan; 3d New York, Capt. Wm. A. Harn .
Capt. Wm. L. Craft, Commanding. H, 1st Pennsylvania; L, 1st New Jersey.
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