Statistics for occurrence #1 of “Irvin, J. E.” in chapter 9 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Index:

... Irvin, J. E.
Artillery: First, Battery B, I., 354, 356; Battery D, 1., 356; Second Battery A, I., 358; II., 322, 330; Battery D. ...
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