JN
John G. Neihardt
John Gneisenau Neihardt was an American writer and poet, amateur historian and ethnographer. Born at the end of the American settlement of the Plains, he became interested in the lives of those who had been a part of the European-American migration, as well as the Indigenous peoples whom they had displaced.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

Black Elk speaks
2014
ISBN 9780803283923