Statistics for occurrence #1 of “Sioux” in entry sioux-indians-or-dakota-indians of Harper's Encyclopedia of United States History:

...iving off the inhabitants of the buffalo plains, took possession. Others remained on the shores of the St. Peter. Some of them wandered into the plains of Missouri, and there joined the Southern Sioux . In the War of 1812 the Sioux took sides with the British. In 1822 the population of the two divisions of the tribe was estimated at nearly 13,000. In 1837 they ceded to the United States all t...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Sioux (North Dakota, United States) 2 0 0 0 0 user votes
Sioux (Iowa, United States) 0 0 0 0 0 user votes
Sioux (Nebraska, United States) 0 0 0 0 0 user votes
Sioux (North Carolina, United States) 0 0 0 0 0 user votes
Sioux (Wisconsin, 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.