Statistics for occurrence #1 of “D. D. Porter” in chapter 18 of Admiral David D. Porter, The Naval History of the Civil War.:

... D. D. Porter
Naval expedition fitted out. Farragut commands expedition. Farragut's and Porter's fleets. their appearance in the...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
D. D. Porter 816 200 14 0 0 user votes
Admiral D. D. Porter 112 0 0 0 0 user votes
Commander D. D. Porter 28 12 0 0 0 user votes
Captain D. D. Porter 4 4 0 0 0 user votes
Lieut D. D. Porter 2 2 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.