Statistics for occurrence #1 of “Pennsylvania” in chapter 24, page 339 of John G. Nicolay, A Short Life of Abraham Lincoln, condensed from Nicolay and Hayes' Abraham Lincoln: A History:

...etter time. I wish that we were in a better condition. The action of the army against the rebels has not been quite what I should have best liked. But they have been driven out of Maryland, and Pennsylvania is no longer in danger of invasion. When the rebel army was at Frederick, I determined, as soon as it should be driven out of Maryland, to issue a proclamation of emancipation, such as I thought mo...
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Entity Corpus Doc Corpus Doc  
Pennsylvania (Pennsylvania, United States) 12,690 50 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.