Statistics for occurrence #1 of “Headquarters” in chapter 18 of Adam Badeau, Military history of Ulysses S. Grant from April 1861 to April 1865. Volume 3:

...ate the feelings and ideas of the day, which were as much a part of the war as the dead and wounded which encumbered the ground after the battle. . . . As ever, your friend, W. T. Sherman. Headquarters , military division of the Mississippi, in the field, camp opposite Richmond, May 10, 1865. Lieutenant-General U. S. Grant, Washington, D. C.: dear General: I march to-morrow at the head of my arm...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Headquarters (Washington, United States) 1,024 40 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.