Statistics for occurrence #1 of “Headquarters” in chapter 163 of Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 1.:

...amp Jackson, M. V. M. Capt. L. refused to receive the above communication. He forwarded Gen. Frost the following about the time, if we are not mistaken, of the surrounding of his camp: Headquarters , United States troops, St. Louis, (Mo.,) May 10, 1861. Gen. D. M. Frost, Commanding Camp Jackson: Sir: Your command is regarded as evidently hostile towards the Government of the United States. ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Headquarters (Washington, United States) 1,024 34 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.