@book {1228897,
	title = {<em>The Sacred Pipe: Black Elk{\textquoteright}s Account of the Seven Rites of the Oglala Sioux</em>},
	year = {1975},
	publisher = {University of Oklahoma Press},
	organization = {University of Oklahoma Press},
	address = {Norman},
	author = {Brown, Joseph Epes}
}
