Statistics for occurrence #1 of “Pennsylvania” in entry united-states-of-america-west-virginia-state-of of Harper's Encyclopedia of United States History:

...3.org/TR/xhtml1/strict"> A State of the United States formed from Virginia west of the Alleghany Mountains, is of irregular shape, a narrow strip known as the Panhandle extending north between Pennsylvania and Ohio some 70 miles, and Maryland cutting a triangle out of the northeastern portion. It lies between lat. 37° 5′ and 40° 37′ N., and long. 77° 4′ and 82° 40&...
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.