Statistics for occurrence #1 of “Pleasonton” in chapter 4, page 37 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 5: Forts and Artillery.:

...nally the rank of brigadier-general. While Pleasonton's cavalry at Gettysburg was preventing Stuart from joining in Pickett's charge, Robertson led the horse artillery which seconded the efforts of Pleasonton 's leaders, Gregg and Buford and Kilpatrick, whose exploits were not second to those of the infantry. For gallant and meritorious service in this campaign Robertson was promoted to lieutenant-colone...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Pleasonton 102 4 14 0 0 user votes
Alfred Pleasonton 765 0 25 0 0 user votes
A. Pleasonton 137 0 3 0 0 user votes
Gen Pleasonton 2 0 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.