Statistics for occurrence #1 of “Iowa” in entry united-states-of-america-indiana of Harper's Encyclopedia of United States History:

...ly 7, 1899 Ex-Secretary of the Navy Richard W. Thompson dies at Terre Haute......Feb. 9, 1900 Ex-Governor Mount dies......Jan. 16, 1901 Ex-President Harrison dies......March 22, 1901 Iowa
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† Iowa (Iowa, United States) 1,742 310 0 0 0 user votes
† Iowa (Iowa, United States) 0 0 0 0 0 user votes
Iowa (Louisiana, United States) 0 0 0 0 0 user votes
Iowa (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.