Statistics for occurrence #1 of “Frederick, Md.” in chapter 6 of Fitzhugh Lee, General Lee:

...manded troops; and then, the laws being silent in the midst of arms, Senator John Sherman, of Ohio, was his aid-de-camp. From Patterson's position two routes led to the Valley of Virginia, one via Frederick, Md. , across the Potomac at Harper's Ferry, the other by Hagerstown, Md., crossing at Williamsport and thence to Martinsburg. Patterson wisely selected the latter route, because it was a flank movement ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Frederick, Md. (Maryland, United States) 1,147 24 249 4 0 user votes

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