Official Records of the War of the Rebellion, Gettysburg, Union Twelfth Corps

          PART 1, pages 1-770:

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          PART 2, pages 771-902:

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History of the Twelfth Corps, Gettysburg

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Source: Fox, William F. In Memoriam: Henry Warner Slocum. Albany, NY: J. B. Lyon, 1904. Also known as Slocum and His Men: The Twelfth Corps.

Campaigns of the Civil War, Volume VI

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Source: Doubleday, Abner. Campaigns of the Civil War, VI, Chancellorsville and Gettysburg. New York: Sribner's, 1896.