Statistics for occurrence #1 of “Frederick” in part 1.2, chapter 1.5, page 60 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 2: Two Years of Grim War.:

...ked to some of his officers, We evidently have no friends in this town. Colonel Douglas concludes, This is about the way he would have treated Barbara Frietchie. On the day after Jackson left Frederick he crossed the Potomac by means of a ford near Williamsport and on the 13th he reached Bolivar Heights. Harper's Ferry lies in a deep basin formed by Maryland Heights on the north bank of the Potomac...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Frederick (Virginia, United States) 446 0 24 0 0 user votes
Frederick (Maryland, United States) 50 0 14 0 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.