Statistics for occurrence #1 of “Headquarters” in chapter 26, page 487 of Alfred Roman, The military operations of General Beauregard in the war between the states, 1861 to 1865:

...t Moultrie, and the one as yet without carriage will be placed in a new work at Shell Point, just ordered to be constructed. Respectfully, your obedient servant, Thomas Jordan, Chief of Staff. Headquarters , Department S. C., Ga., and Fla., Charleston, S. C., July 14th, 1863. Lieut.-Col. D. B. Harris, Chf.-Eng., Dept. S. C., Ga., and Fla., Charleston, S. C.: Colonel,—Upon reflection it is bett...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Headquarters (New Jersey, United States) 132 124 0 0 0 user votes
Headquarters (Washington, United States) 1,024 466 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.