Statistics for occurrence #1 of “Heintzelman” in chapter 3.9 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 1: The Opening Battles.:

...y road turns to the southward to cross the Sudley Ford, it followed the Sudley Church--July 21, 1861.--This Methodist Episcopal church stood a half mile south of the ford by which Hunter and Heintzelman crossed Bull Run. These troops crossed Cat Harpin Run, seen in the foreground, by the ford at the left, and marched southward past the church. A mile farther south Burnside's brigade engaged the ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
S. P. Heintzelman 835 29 21 1 0 user votes
Heintzelman 854 0 138 0 0 user votes
Samuel P. Heintzelman 366 0 12 0 0 user votes
S. V. Heintzelman 120 0 0 0 0 user votes
Mary L. Heintzelman 18 0 0 0 0 user votes
Rush B. Heintzelman 8 0 0 0 0 user votes
Samuel Peter Heintzelman 8 0 2 0 0 user votes
Mish T. Heintzelman 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.