Statistics for occurrence #1 of “Sigel” in chapter 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 8: Soldier Life and Secret Service.:

...sters. They had seen the stars of McDowell, McClellan, Pope, Burnside, and Hooker, one after another, effaced. They had seen such corps commanders as Sumner, Heintzelman, Keyes, Fitz John Porter, Sigel , Franklin, and Stoneman relieved and sent elsewhere. They had lost, killed in battle, such valiant generals as Philip Kearny, Stevens, Reno, Richardson, Mansfield, Whipple, Bayard, Berry, Weed, Zoo...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Sigel 1,294 4 176 0 0 user votes
Franz Sigel 1,206 0 34 0 0 user votes
F. Sigel 620 0 6 0 0 user votes
Gen Sigel 18 0 0 0 0 user votes
Francis Sigel 10 0 2 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.