Statistics for occurrence #1 of “Headquarters” in chapter 8 of Alfred Roman, The military operations of General Beauregard in the war between the states, 1861 to 1865:

... ordnance officer to see to this at once. If Colonel Yates be available, order him to make an investigation forthwith. Respectfully, your obedient servant, H. W. Fielden, Capt. and A. A. G. Headquarters , Department S. C., Ga., and Fla., Charleston, S. C., Sept. 25th, 1863. Lieut.-Col. D. B. Harris, Chief-Engineer, etc., etc.: Colonel,—I am instructed to say in this way what has already bee...
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.