Statistics for occurrence #1 of “Rockingham” in chapter 7 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 6, 10th edition.:

...rd and Grenville are one, said Rigby, by authority; and neither of them will ever depart from the ground taken, to assert and establish the entire sovereignty of Great Britain over her Colonies. But Rockingham avoided all detail as to measures and as to men, and according to the old fashion, satisfied himself by declaring for a wide and comprehensive system. After a week's negotiation, and with no plan ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Rockingham 392 82 2 0 0 user votes
Richard Rockingham 2 0 2 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.