Statistics for occurrence #1 of “Mexico” in chapter 15 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 3: The Decisive Battles.:

...d again, only to recoil, battered and bleeding. Major-General George Henry Thomas, Virginia-born soldier loyal to the Union; commended for gallantry in the Seminole War, and for service in Mexico ; won the battle of Mill Spring, January 19, 1862; commanded the right wing of the Army of the Tennessee against Corinth and at Perryville, and the center at Stone's River. Only his stability averte...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Mexico (Mexico, Mexico) 8,518 4 0 0 0 user votes
Mexico (Mexico) 1,918 0 0 0 0 user votes
Mexico (New York, United States) 45 0 1 0 0 user votes
Mexico (Indiana, United States) 8 0 0 0 0 user votes
Mexico (Kentucky, United States) 0 0 0 0 0 user votes
Mexico (Maine, United States) 0 0 0 0 0 user votes
Mexico (Maryland, United States) 0 0 0 0 0 user votes
Mexico (Ohio, United States) 0 0 0 0 0 user votes
Mexico (Ohio, United States) 0 0 0 0 0 user votes
Mexico (Pennsylvania, United States) 0 0 0 0 0 user votes
Mexico (Pennsylvania, United States) 0 0 0 0 0 user votes
Mexico (South Carolina, 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.