Statistics for occurrence #1 of “Headquarters” in chapter 31 of Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 2.:

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Headquarters , camp Hamilton, June 12, 1861. To Major R. A. Pierce, Brigade-Inspector, &c.: sir :--I have the honor to report for the information of Brigadier-General Pierce, that on Sunday evening, June 9...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Headquarters (Washington, United States) 1,024 64 0 0 0 user votes
Headquarters (New Jersey, United States) 132 0 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.