Statistics for occurrence #1 of “Pennsylvania” in chapter 1 of Col. Robert White, Confederate Military History, a library of Confederate States Military History: Volume 2.2, West Virginia:

...military operations to support the secession of these counties from Virginia were those in the two great neighboring States of Pennsylvania and Ohio. The conference between the vigorous governor of Pennsylvania and President Lincoln, on April 12, 1861, which encouraged the President in making his call for troops, was followed by the rapid military organization of the State and the stationing of large bodies...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Pennsylvania (Pennsylvania, United States) 12,690 20 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.