Statistics for occurrence #1 of “Hertford” in chapter 11 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 5, 13th edition.:

... Hertford
The twelfth parliament of Great Britain passes the American Stamp tax.—Grenville's administration continued. ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Hertford (United Kingdom) 11 2 1 0 0 user votes
Hertford (North Carolina, United States) 28 0 8 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.