Statistics for occurrence #1 of “Boston Harbor” in alphabetic letter C, entry group 4, entry chesapeake of Harper's Encyclopedia of United States History:

...ry, was put in command of her, with the Hornet, Captain Biddle, as her consort. At the close of May the British frigate Shannon, thirty-eight guns, Capt. Philip Bowes Vere Broke, appeared off Boston Harbor , in the attitude of a challenger. She then carried fifty-two guns. He wrote to Lawrence, requesting the Chesapeake to meet the Shannon, ship to ship, to try the fortunes of their respective flags...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Boston Harbor (Massachusetts, United States) 627 82 1 0 0 user votes
Boston Harbor (New Hampshire, United States) 0 0 0 0 0 user votes
Boston Harbor (Washington, United States) 0 0 0 0 0 user votes
Boston Harbor (Washington, 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.