Statistics for occurrence #1 of “Boston harbor” in chapter 5 of Brig.-Gen. Bradley T. Johnson, Confederate Military History, a library of Confederate States Military History: Volume 2.1, Maryland:

...The arrests were made with great secrecy, and it was intended to send them to the Dry Tortugas, but there being no steamer fit for the voyage in Hampton Roads, they were dispatched to Fort Warren in Boston harbor . Liberty of the press as well as free speech had gone after the privilege of the writ of habeas corpus. On the 11th of September Simon Cameron, secretary of war, had issued an order to General ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Boston Harbor (Massachusetts, United States) 627 2 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

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