Statistics for occurrence #1 of “General Fitz-John Porter” in chapter 10 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 4: The Cavalry:

... General Fitz-John Porter
Charles D. Rhodes, Captain, General Staff, United States Army The Second fought in the reserve Brigade under Ge...
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