Statistics for occurrence #1 of “Pennsylvania” in chapter 6 of Comte de Paris, History of the Civil War in America. Vol. 3.:

...cky,Ky. Louisiana,La. Maine,Me. Maryland,Md. Massachusetts,Mass. Michigan,Mich. Minnesota,Minn. Mississippi,Miss. Missouri,Mo. New Hampshire,N. H. New Jersey,N. J. New York,N. Y. Ohio,O. Pennsylvania ,Pa. Rhode Island,R. I. Tennessee,Tenn. Texas,Tex. Vermont,Vt. Virginia,Va. Wisconsin,Wis. U. S., abbreviation for United States, designates those bodies of trooops that were raised directly by...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Pennsylvania (Pennsylvania, United States) 12,690 92 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.