Statistics for occurrence #1 of “Gettysburg” in chapter 1.2 of Southern Historical Society Papers, Volume 6.:

...e Army of Northern Virginia for the 31st of May, 1863. The inspection of that document settles at once the difficulties which I met with in the evaluation of the effective strength of Lee's army at Gettysburg , and which I had submitted to you. It explains the difference between Colonel Taylor's figures — which embraced only the enlisted men present for duty — and that given by General Humphrey...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Gettysburg (Pennsylvania, United States) 7,452 158 1,368 0 0 user votes
Gettysburg (South Carolina, United States) 0 0 0 0 0 user votes
Gettysburg (South Dakota, United States) 0 0 0 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.