Statistics for occurrence #1 of “Frederick” in alphabetic letter H, entry group 3, entry harper-s-ferry of Harper's Encyclopedia of United States History:

... to Sharpsburg.D, D. Walker's march from Monocacy to Sharpsburg. B, B. Longstreet's march from Frederick to Sharpsburg.E, E. Confederate position at Antietam. C, C. McLaws and Anderson's march from Frederick to Sharpsburg.H, H. Franklin's march from Pleasant Valley to Antietam. Franklin followed the same route as McLaws from Frederick to Pleasant Valley; the remainder of the Union Army that of Longst...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Frederick (Virginia, United States) 446 6 24 2 0 user votes
Frederick (Maryland, United States) 50 10 14 4 0 user votes
Frederick (Colorado, United States) 2 0 0 0 0 user votes
Frederick (Illinois, United States) 0 0 0 0 0 user votes
Frederick (North Carolina, United States) 0 0 0 0 0 user votes
Frederick (Ohio, United States) 0 0 0 0 0 user votes
Frederick (Oklahoma, United States) 0 0 0 0 0 user votes
Frederick (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.