Statistics for occurrence #1 of “Wisconsin” in chapter 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 10: The Armies and the Leaders.:

... Lucius Fairchild,Wisconsin,1886 John P. Rea,Minnesota,1887 William Warner,Missouri,1888 Russell A. Alger,Michigan,1889 Wheelock G. Veazey,Vermont,1890 John Palmer,New York,1891 A. G. Weissert, Wisconsin ,1892 John G. B. Adams,Massachusetts,1893 Thomas G. Lawler,Illinois,1894 Ivan N. Walker,Indiana,1895 T. S. Clarkson,Nebraska,1896 John P. S. Gobin,Pennsylvania,1897 James A. Sexton,Illinois,1898...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Wisconsin (Wisconsin, United States) 1,708 16 0 0 0 user votes
Wisconsin (Wisconsin, United States) 68 0 0 0 0 user votes
Wisconsin (Kentucky, United States) 2 0 0 0 0 user votes
Wisconsin (New Mexico, United States) 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.