Elliott Coues,
The Expeditions of Zebulon Montgomery Pike…
“ The Osage appear to have emigrated from the north and west; from their speaking the same language with the Kans, Otos, Missouries, and Mahaws, together with their great similarity of manners, morals, and customs, there is left no room to doubt that they were originally the same nation, but separated by that great law of nature, self-preservation, the love of freedom, and the ambition of various characters, so inherent in the breast of man. ”
