Bois Brule vs coloured

Bois Brule

name
  • The Bois Brule River, a river in Wisconsin, United States, also known as the Brule River. 

  • A township in Perry County, Missouri, United States. Associated names are Bois Brule Bottom and Bois Brule Creek (Cinque Hommes Creek tributary) 

coloured

How often have the words Bois Brule and coloured occurred in a corpus of books? (source: Google Ngram Viewer )