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

...were known respectively as the Muscogee or Creek (the most powerful), the Choitan, and the Chickasaw. The heart of the Creek family was in Alabama. Under the general title of Dakotas or Sioux have been grouped a large number of tribes west of the Great Lakes and Mississippi, with whom the earlier French explorers came in contact. These, speaking dialects of the same language, apparentl...
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.