@misc{indiciaef842bb78ca78,
  title = {Contributions to North American Ethnology, Volume IX: Dakota grammar, texts, and ethnography},
  author = {Stephen Return Riggs and John Wesley Powell},
  year = {1893},
  doi = {10.3133/70037989},
  url = {https://pubs.usgs.gov/publication/70037989},
  note = {Source identifier: 70037989}
}