Statistics for occurrence #1 of “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:

... Fitz John Porter
Charles D. Rhodes, Captain, General Staff, United States Army The Second fought in the reserve Brigade under Ge...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Fitz John Porter 1,430 17 84 1 0 user votes
Gen Fitz John Porter 2 0 0 0 0 user votes
Fitz John Portersome 2 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.