Statistics for occurrence #1 of “Hudson River” in chapter 16, page 365 of Thomas Wentworth Higginson, A book of American explorers:

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Indians, Caribbean, 21, 23, 29, 35, 39, 50. Florida, 124, 127, 144, 149, 156. Gulf of Mexico, 75, 83, 88, 91, 93. Hudson River , 283, 290. Mississippi River, 131, 135, 138. New England, 11, 65, 204, 213, 225, 320, 333, 357. Virginia, 79, 184, 192,232,237,242, 251. Boats of, 24, 65, 183. Children of, 251. Ill-tr...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Hudson River (United States) 290 6 0 0 0 user votes
Hudson River (Maryland, United States) 106 6 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.