Statistics for occurrence #1 of “Martinsburg” in chapter 6, page 81 of Col. Robert White, Confederate Military History, a library of Confederate States Military History: Volume 2.2, West Virginia:

...n. In May, General Jenkins' brigade had been ordered into the Shenandoah valley, and in June many West Virginians accompanied him with Ewell's corps into Pennsylvania, fighting at Bunker Hill and Martinsburg in the defeat of Milroy, and leading the advance to Chambersburg, whence they proceeded almost to Harrisburg before the concentration was made at Gettysburg. There they fought gallantly, and on the...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Martinsburg (West Virginia, United States) 3,548 10 134 0 0 user votes
Martinsburg (Maryland, United States) 21 0 3 0 0 user votes
Martinsburg (New York, United States) 6 0 2 0 0 user votes
Martinsburg (Illinois, United States) 4 0 0 0 0 user votes
Martinsburg (Missouri, United States) 4 0 0 0 0 user votes
Martinsburg (Missouri, United States) 2 0 2 0 0 user votes
Martinsburg (Pennsylvania, United States) 1 0 1 0 0 user votes
Martinsburg (Indiana, United States) 0 0 0 0 0 user votes
Martinsburg (Iowa, United States) 0 0 0 0 0 user votes
Martinsburg (Kentucky, United States) 0 0 0 0 0 user votes
Martinsburg (Kentucky, United States) 0 0 0 0 0 user votes
Martinsburg (Nebraska, United States) 0 0 0 0 0 user votes
Martinsburg (Ohio, United States) 0 0 0 0 0 user votes
Martinsburg (Ohio, United States) 0 0 0 0 0 user votes
Martinsburg (Ohio, United States) 0 0 0 0 0 user votes
Martinsburg (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.