Statistics for occurrence #1 of “Sharpsburg” in chapter 8.63 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: Volume 2.:

...was kept up till a late hour. Equally erroneous is the claim that any Confederates were driven except Drayton's small brigade. We held the crests of the mountain, on the National road and the old Sharpsburg road, until Lee's order for withdrawal was given. General Reno, the Federal corps commander on our right, was killed at 7 P. M., in Wise's field, where the fight began at 9 o'clock in the morning. ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Sharpsburg (Maryland, United States) 3,371 168 131 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.