Statistics for occurrence #1 of “Sharpsburg” in chapter 7, page 148 of Col. J. J. Dickison, Confederate Military History, a library of Confederate States Military History: Volume 11.2, Florida:

...igade marched through Frederick City, over South mountain into Pleasant valley, and participated in the investment and capture of the Federal forces at Harper's Ferry. Hurrying then to the field of Sharpsburg , they shared the service of R. H. Anderson's division in the battle of September 17th. In this engagement Colonel Hateley and Lieutenant-Colonel Lamar, of the Fifth, were severely wounded.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† Sharpsburg (Maryland, United States) 3,371 4 131 0 0 user votes
Sharpsburg (Ohio, United States) 166 0 12 0 0 user votes
Sharpsburg (Kentucky, United States) 4 0 2 0 0 user votes
Sharpsburg (Pennsylvania, United States) 1 0 1 0 0 user votes
Sharpsburg (Georgia, United States) 0 0 0 0 0 user votes
Sharpsburg (Illinois, United States) 0 0 0 0 0 user votes
Sharpsburg (Iowa, United States) 0 0 0 0 0 user votes
Sharpsburg (Louisiana, United States) 0 0 0 0 0 user votes
Sharpsburg (Mississippi, United States) 0 0 0 0 0 user votes
Sharpsburg (Missouri, United States) 0 0 0 0 0 user votes
Sharpsburg (North Carolina, United States) 0 0 0 0 0 user votes
Sharpsburg (Ohio, United States) 0 0 0 0 0 user votes
Sharpsburg (Ohio, United States) 0 0 0 0 0 user votes
Sharpsburg (Pennsylvania, United States) 0 0 0 0 0 user votes
Sharpsburg (Pennsylvania, 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.