Statistics for occurrence #1 of “Columbus” in part 4.9, chapter 4.10 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: The Opening Battles. Volume 1.:

...t organization of men would be found in the way of any attempt to put down secession until the demands of the South in respect to slavery were complied with. A few days afterward I was returning to Columbus from my home in Trumbull county, and meeting upon the railway train with David Tod, then an active Democratic politician, but afterward one of our loyal war governors, the conversation turned on the...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Columbus (Georgia, United States) 419 0 283 0 0 user votes
Columbus (Mississippi, United States) 325 0 141 0 0 user votes
Columbus (Alabama, United States) 4 0 0 0 0 user votes
Columbus (Indiana, United States) 3 0 3 0 0 user votes
Columbus (Arkansas, United States) 1 0 1 0 0 user votes
Columbus (New York, United States) 1 0 1 0 0 user votes
Columbus (North Carolina, United States) 1 0 1 0 0 user votes
Columbus (Colorado, United States) 0 0 0 0 0 user votes
Columbus (Georgia, United States) 0 0 0 0 0 user votes
Columbus (Illinois, United States) 0 0 0 0 0 user votes
Columbus (Kansas, United States) 0 0 0 0 0 user votes
Columbus (Louisiana, United States) 0 0 0 0 0 user votes
Columbus (Michigan, United States) 0 0 0 0 0 user votes
Columbus (Montana, United States) 0 0 0 0 0 user votes
Columbus (Nevada, United States) 0 0 0 0 0 user votes
Columbus (New Jersey, United States) 0 0 0 0 0 user votes
Columbus (New Mexico, United States) 0 0 0 0 0 user votes
Columbus (North Carolina, United States) 0 0 0 0 0 user votes
Columbus (North Dakota, United States) 0 0 0 0 0 user votes
Columbus (Pennsylvania, 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.