Statistics for occurrence #1 of “Russia” in chapter 18 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Index:

...10. IV., 160. I., 42; III., 145; V., 16, 273; IX., 193, 195, 197. III., 152, 154, 332; X., 133. VIII., 169. Russell, W. H., author of Bull Run, I., 36. Russia , Czar of, messenger from, VI., 31. I., 368; X., 257. V., 65. X., 292. V., 65. Ix., 240, 245. X., 47.
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† Russia (Russia) 4,038 6 0 0 0 user votes
Russia (New York, United States) 22 0 0 0 0 user votes
Russia (New York, United States) 0 0 0 0 0 user votes
Russia (Ohio, 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.