Statistics for occurrence #1 of “Rhode Island” in chapter 23, page 36 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Index:

...; Confederate battery at, that fired on the Balloon Bryan, VIII., 371; T. S. C. Lowe in balloon at, VIII., 377; where Cornwallis surrendered, IX., 285. VI., 314. I., 19. of Rhode Island , VIII., 26. IX., 345. X., 263. X., 303. X, 313. VI., 308. from the West, VIII., 73. I., 141, 157, 159.
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Rhode Island (Rhode Island, United States) 3,308 8 0 0 0 user votes
Rhode Island (California, United States) 2 0 0 0 0 user votes
Rhode Island (New York, United States) 0 0 0 0 0 user votes
Rhode Island (Texas, 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.