Statistics for occurrence #1 of “Frederick” in chapter 4.38 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 3.:

...r fifteen batteries. Early in June Lee's army began to move, and by the 8th Longstreet's and Ewell's corps had joined Stuart's cavalry at Culpeper. A. P. Hill's corps was left in observation at Frederick sburg; and so skillfully were the changes concealed that Hooker, believing that all the enemy's infantry were still near that town, ordered Pleasonton to beat up Stuart's camps at Culpeper, and get in...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Frederick (Virginia, United States) 446 22 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.