Statistics for occurrence #1 of “Hudson River” in chapter 18 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 8:

...fare on the St. Lawrence. The position of New York gave great advantage to the friends of the royal government; for the British men-of-war were masters of the bay, the harbor, the East River, and Hudson River below the Highlands; neither Staten Island nor Long Island could prevent the landing of British troops; the possession of Long Island would give the command of Manhattan Island, which had not as yet ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Hudson River (United States) 290 10 0 0 0 user votes
Hudson River (Maryland, United States) 106 0 0 0 0 user votes
Hudson River (Florida, United States) 20 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.