This is a Sports Illustrated article written about Johnathan Takes Enemy and the culture of the Crow nation. It also talks a little about Larry Pretty Weasel and Elvis Old Bull. It is somewhat lengthy so I am not pasting the whole article.
http://sportsillustrated.cnn.com/vault/article/magazine/MAG1118885/1/index.htm
http://sportsillustrated.cnn.com/vault/article/magazine/MAG1118885/1/index.htm