Statistics for occurrence #1 of “Pa.” in chapter 76 of Thomas Wentworth Higginson, Massachusetts in the Army and Navy during the war of 1861-1865, vol. 1, Condensed history of regiments.:

... Md.,–1–3–141332––18 Dec. 11-14, Fredericksburg, Va.,–2271211–312–22 Place unknown,1–442131––21–19 1863. July 3, Gettysburg, Pa. ,–21–1211–211–12 Nov. 27, Robinson's Cross Roads, Va.–––––––––––1–1 Place unknown,––11&nda...
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