Statistics for occurrence #1 of “De Long” in entry de-long-george-washington of Harper's Encyclopedia of United States History:

...of the De Long party, who had been sent by that officer in search of relief, met the Melville party on Oct. 29. On hearing their report, Melville with his party started immediately on a search for De Long and his companions, and on March 23, 1882, found their remains, together with the records of the expedition and De Long's diary written up to Oct. 30 previous. The United States government had the ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
De Long 18 11 18 11 0 user votes
George W. De Long 6 2 0 0 0 user votes
Duchesse De Longueville 2 0 0 0 0 user votes
J. De Longville 2 0 0 0 0 user votes
G. W. De Long 1 0 1 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.