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

... de Frederic
The continent of Europe The successes of the Seven Years War were the triumphs of Protestantism. ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
De Frederic 2 2 0 0 0 user votes
De Frederick 2 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.