Statistics for occurrence #1 of “Fort Warren” in chapter 14 of James Barnes, author of David G. Farragut, Naval Actions of 1812, Yank ee Ships and Yankee Sailors, Commodore Bainbridge , The Blockaders, and other naval and historical works, The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 6: The Navy.:

.... But the latter's career was short. Dashing into the harbor of Portland, Maine, Read cut out the revenue cutter Caleb Cushing. The next day he was attacked, captured, and sent as a prisoner to Fort Warren , in Boston Harbor. The Florida had no less than fourteen prizes to her credit, when, late in August, 1863, she entered the harbor of Brest, France, greatly in need of repairs. Here she remained...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Fort Warren (Massachusetts, United States) 1,093 2 11 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.