Statistics for occurrence #1 of “Boston Harbor” in page 203 of William Schouler, A history of Massachusetts in the Civil War: Volume 1:

...ou advise me what would be the wishes of the national Administration in this respect? He writes again to the Secretary of War, calling his attention to the defenceless condition of the forts in Boston Harbor ; also to General Stetson, of the Astor House, thanking him for his kindness and liberality to our soldiers in passing through New York; also thanks Daniel Lombard, Esq., of Boston, who offers to clea...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Boston Harbor (Massachusetts, United States) 627 64 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.