Statistics for occurrence #1 of “Pennsylvania” in chapter 6 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 10: The Armies and the Leaders.:

...Illinois, and other regiments; at Gettysburg, by the Twenty-Fourth Michigan, one hundred and eleventh New York, First Minnesota, one hundred and Twenty-sixth New York, and one hundred and fifty-first Pennsylvania , were all suffered while the Federals were winning victories—suffered fighting, not in retreating. so, also, the losses at the Wilderness of the Second Vermont, Fourth Vermont, and Ninety-t...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Pennsylvania (Pennsylvania, United States) 12,690 26 2 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.