Statistics for occurrence #1 of “Pennsylvania” in chapter 16 of Alfred Roman, The military operations of General Beauregard in the war between the states, 1861 to 1865:

...dvance urged at the Fairfax Court-house conference, in October of the same year, by Generals J. E. Johnston, Beauregard, and G. W. Smith; to the plan of campaign suggested, instead of the invasion of Pennsylvania , in 1863; to the proposed concerted attack upon Butler's forces, near Bermuda Hundreds, in May, 1864, by the whole of General Beauregard's army, reinforced by 10,000 men from the Army of Northern Vir...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Pennsylvania (Pennsylvania, United States) 12,690 10 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.