Statistics for occurrence #1 of “Duff Green” in chapter 57 of Admiral David D. Porter, The Naval History of the Civil War.:

...his hand, appeared at the landing and demanded to see the President. I am Duff Green, he said; I want to see Abraham Lincoln, and my business concerns myself alone. You tell Abraham Lincoln that Duff Green wants to see him. The officer of the deck delivered this message in the cabin, and the President said, Let him come on board; Duff is an old friend of mine, and I would like to talk with him. ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Duff Green 126 29 20 3 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.