Statistics for occurrence #1 of “A. P. Hill” in chapter 6, page 158 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 10: The Armies and the Leaders.:

...erJackson's2822011347.1 32d VirginiaAntietamMcLaws'158155745.5 18th MississippiAntietamMcLaws'186107344.6 14th South CarolinaGaines' MillA. P. Hill's5001819743.0 33d North CarolinaChancellorsville A. P. Hill 's4803216741.4 5th AlabamaMalvern HillD. H. Hill's225266640.8
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
A. P. Hill 9,404 10 658 0 0 user votes
Tell A. P. Hill 18 0 0 0 0 user votes
Gen A. P. Hill 6 0 0 0 0 user votes
Chieftain A. P. Hill 2 0 0 0 0 user votes
Richmond A. P. Hill 2 0 0 0 0 user votes
A. P. Hilliard 2 0 0 0 0 user votes
A. P. Hills 2 0 0 0 0 user votes
A. P. Hill Camp 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.