Statistics for occurrence #1 of “Pennsylvania” in entry everett-edward of Harper's Encyclopedia of United States History:

... no means of obtaining information. Rightly judging, however, that no time would be lost by the Union army in the pursuit, in order to detain it on the eastern side of the mountains in Maryland and Pennsylvania , and thus preserving his communications by the way of Williamsport, he had, before his own arrival at Chambersburg, directed Ewell to send detachments from his corps to Carlisle and York. The latte...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Pennsylvania (Pennsylvania, United States) 12,690 1,788 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.