Statistics for occurrence #1 of “Illinois” in chapter 8.26 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: The Opening Battles. Volume 1.:

...ay when the Army of the South-west took possession of Springfield, he wrote to Price from his headquarters at Pocahontas, stating in detail his plan for attempting St. Louis and carrying the war into Illinois . Our appearance in Arkansas suddenly changed the situation. Van Dorn at once hastened from Jacksonport to Van Buren on the 24th of February, issued a very flourishing proclamation on the 2d of M...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Illinois (Illinois, United States) 6,200 42 0 0 0 user votes
Illinois (New Mexico, United States) 4 0 0 0 0 user votes
Illinois (Oregon, United States) 2 0 0 0 0 user votes
Illinois (Colorado, United States) 0 0 0 0 0 user votes
Illinois (Illinois, United States) 0 0 0 0 0 user votes
Illinois (New Mexico, 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.