Statistics for occurrence #1 of “Sickles” in part 2.11, chapter 2.12 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 2: Two Years of Grim War.:

...ss the valley, as they waited for the battle to commence. The boom of cannon from Longstreet's batteries announced the beginning of the second day's battle. Lee had ordered Longstreet to attack Sickles in full force. The fire was quickly answered by the Union troops, and before long the fight extended from the peach orchard through the wheat-field and along the whole line to the base of Little Ro...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Daniel E. Sickles 1,087 48 35 2 0 user votes
Sickles 1,124 0 184 0 0 user votes
D. E. Sickles 349 0 7 0 0 user votes
Dan Sickles 207 0 3 0 0 user votes
Daniel Edgar Sickles 67 0 5 0 0 user votes
Daniel Sickles 27 0 5 0 0 user votes
Gen Sickles 24 0 0 0 0 user votes
D. A. Sickles 3 0 1 0 0 user votes
Damal E. Sickles 2 0 0 0 0 user votes
David B. Sickles 2 0 0 0 0 user votes
Gen Dan Sickles 2 0 0 0 0 user votes
H. F. Sickles 2 0 0 0 0 user votes
D. N. Sickles 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.