Statistics for occurrence #1 of “United States” in alphabetic letter H, entry group 4, entry hayes-isaac-israel of Harper's Encyclopedia of United States History:

....) Satisfied of the existence of an open polar sea, he wrote and lectured on the subject on his return. He excited such interest in the subject that, with the aid of subscriptions in Europe and the United States , he was enabled to fit out the steamer United States, of 133 tons, in which he sailed from Boston, July 9, 1860, with thirteen other persons, for the Arctic regions. They anchored, after a perilous...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
United States (United States) 100,886 16,340 0 0 0 user votes
United States (New Mexico, United States) 6 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.