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

... Rocky Mountains. They have been arranged into four classes: 1. The Winnebagoes, situated between Lake Michigan and the Mississippi, within the domain of the Algonquians. 2. The Assiniboins, or Sioux proper, who formed the more northerly part of the nation. 3. The Southern Sioux, who were seated in the country between the Platte and Arkansas rivers. The Sahaptins include the Nez Perces and ...
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.