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

...h; a laborious work which has been executed under the direction of Mr. Alexander W. Drake, Superintendent, and Mr. W. Lewis Fraser, Manager, of the Art Department of The Century Co. the editors. New York , November, 1887.
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† New York (New York, United States) 1,905 14 1 0 0 user votes
New York (Missouri, United States) 2 0 2 0 0 user votes
New York (Florida, United States) 0 0 0 0 0 user votes
New York (Georgia, United States) 0 0 0 0 0 user votes
New York (Iowa, United States) 0 0 0 0 0 user votes
New York (Kentucky, United States) 0 0 0 0 0 user votes
New York (Mississippi, United States) 0 0 0 0 0 user votes
New York (Missouri, United States) 0 0 0 0 0 user votes
New York (Missouri, United States) 0 0 0 0 0 user votes
New York (New Mexico, United States) 0 0 0 0 0 user votes
New York (Ohio, United States) 0 0 0 0 0 user votes
New York (Tennessee, United States) 0 0 0 0 0 user votes
New York (Texas, United States) 0 0 0 0 0 user votes
New York (Utah, 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.