Statistics for occurrence #1 of “White House” in page 19 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.:

... White House
War-time portraits of six soldiers whose military records assisted them to the Presidential Chair. ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
White House (Virginia, United States) 4 0 0 0 0 user votes
White House (Mississippi, United States) 0 0 0 0 0 user votes
White House (Missouri, United States) 0 0 0 0 0 user votes
White House (Pennsylvania, United States) 0 0 0 0 0 user votes
White House (Tennessee, United States) 0 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.