Statistics for occurrence #1 of “Gettysburg” in chapter 4.32 of Southern Historical Society Papers, Volume 3.:

...tes authorities alone were responsible. We traced the history of the exchange question, and gave the most indubitable proofs that the Confederates were always ready to exchange, but that so soon as Gettysburg and Vicksburg gave the United State Government a large excess of prisoners actually in hand (though a large part of them should have been at once released to meet paroles already held by the Confeder...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Gettysburg (Pennsylvania, United States) 7,452 29 1,368 1 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.