Statistics for occurrence #1 of “Headquarters” in chapter 6 of Alfred Roman, The military operations of General Beauregard in the war between the states, 1861 to 1865:

...ommanding Officers of the Second and Third Districts with as little delay as possible. I have the honor to be, Major, very respectfully, your obdt. servant, Jno. F. O'Brien, A. A. G. 3. Headquarters , Department S. C., Ga., and Fla., Charleston, S. C., July 9th, 1863. Colonel A. J. Gonzales, Chief of Artillery, etc., etc.: Colonel,—The Commanding General directs that you hold the siege-...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Headquarters (Washington, United States) 1,024 466 0 0 0 user votes
Headquarters (New Jersey, United States) 132 124 0 0 0 user votes
Headquarters (Kentucky, United States) 84 0 0 0 0 user votes
Headquarters (Arizona, United States) 2 0 0 0 0 user votes
Headquarters (Idaho, 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.