Statistics for occurrence #1 of “H. Porter” in chapter 3 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Index:

...2. Camp Washington, S. C., III., 171. Camp Winfield Scott, Va., I., 259. Camp Yates, Ill., I., 175. I., 51. Camp-making VIII., 187. Viii., 224, 225; IX., 131. by H. Porter , IX., 182. Campaigning: plan of, VIII., 50. VIII., 113. VIII., 111. X., 297. X., 293. II., 326. X., 305. Campbell's cavalry, Confeder...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
H. Porter 6 4 0 0 0 user votes
Benjamin H. Porter 85 0 25 0 0 user votes
Theodoric H. Porter 35 0 1 0 0 user votes
J. W. H. Porter 23 0 5 0 0 user votes
C. H. Porter 12 0 2 0 0 user votes
James H. Porter 10 0 6 0 0 user votes
William H. Porter 9 0 1 0 0 user votes
John W. H. Porter 7 0 3 0 0 user votes
B. H. Porter 6 0 0 0 0 user votes
J. H. Porter 4 0 2 0 0 user votes
Jonathan H. Porter 4 0 0 0 0 user votes
Jonathan W. H. Porter 4 0 0 0 0 user votes
W. H. Porter 4 0 0 0 0 user votes
Charles H. Porter 2 0 0 0 0 user votes
Eusign B. H. Porter 2 0 0 0 0 user votes
Joseph H. Porter 2 0 0 0 0 user votes
S. H. Porter 2 0 0 0 0 user votes
H. Porter Smith 2 0 0 0 0 user votes
John H. Porter 1 0 1 0 0 user votes
L. H. Porter 1 0 1 0 0 user votes
R. H. Porter 1 0 1 0 0 user votes
Robert H. Porter 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.