Statistics for occurrence #1 of “Longfellow” in chapter 1 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 9: Poetry and Eloquence.:

... Longfellow
What the war brought to the South--ruins of a mill in Petersburg just after the capture of the town by Grant. ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† Longfellow 417 2 23 0 0 user votes
Henry W. Longfellow 768 0 4 0 0 user votes
Henry Wadsworth Longfellow 674 0 10 0 0 user votes
Samuel Longfellow 495 0 21 0 0 user votes
H. W. Longfellow 312 0 0 0 0 user votes
Henry Longfellow 151 0 1 0 0 user votes
Mary S. P. Longfellow 124 0 0 0 0 user votes
Alice M. Longfellow 123 0 3 0 0 user votes
Fanny Longfellow 54 0 0 0 0 user votes
Sam Longfellow 40 0 0 0 0 user votes
Stephen Longfellow 29 0 7 0 0 user votes
Alice Longfellow 23 0 1 0 0 user votes
William Longfellow 22 0 0 0 0 user votes
Heury Wadsworth Longfellow 10 0 0 0 0 user votes
Von H. W. Longfellow 10 0 0 0 0 user votes
Hannah S. Longfellow 7 0 1 0 0 user votes
Ernest Longfellow 6 0 0 0 0 user votes
Charles Appleton Longfellow 4 0 0 0 0 user votes
Di H. W. Longfellow 4 0 0 0 0 user votes
Enrico W. Longfellow 4 0 0 0 0 user votes
Frances A. Longfellow 4 0 0 0 0 user votes
S. Longfellow 4 0 0 0 0 user votes
Alexander W. Longfellow 2 0 0 0 0 user votes
Charles A. Longfellow 2 0 0 0 0 user votes
Edward Longfellow 2 0 0 0 0 user votes
Mary P. Longfellow 2 0 0 0 0 user votes
Wadsworth Longfellow 2 0 0 0 0 user votes
William F. Longfellow 2 0 0 0 0 user votes
Henry Wadsworth Longfellow 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.