Statistics for occurrence #1 of “Pennsylvania” in chapter 14 of John G. Nicolay, The Outbreak of Rebellion:

...se attention was thus very naturally transferred to that point. The three months troops could not be used in distant undertakings. Here, however, was a worthy enterprise at the very threshold of Pennsylvania , which, successfully prosecuted, would protect Maryland, relieve the Baltimore and Ohio Railroad, encourage Virginia Unionists, and recover lost prestige. Patriotic pride, political security, and m...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Pennsylvania (Pennsylvania, United States) 12,690 18 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.