Statistics for occurrence #1 of “Martinsburg” in chapter 19 of Maj. Jed. Hotchkiss, Confederate Military History, a library of Confederate States Military History: Volume 3, Virginia:

... Blue ridge (South mountain) to Boonsboro, with his fourteen brigades, then take the macadam road leading to Williamsport, on the Potomac, and there, having turned the flank of the Federal outpost at Martinsburg , to cross the Potomac, break the Federal line of communication from the west by the Baltimore & Ohio railroad, then move upon the garrison at Martinsburg, and either capture or drive it in toward...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Martinsburg (West Virginia, United States) 3,548 110 134 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.