TY  - RPRT
TI  - Contributions to North American Ethnology, Volume IX: Dakota grammar, texts, and ethnography
AU  - Stephen Return Riggs
AU  - John Wesley Powell
PY  - 1893
DO  - 10.3133/70037989
UR  - https://pubs.usgs.gov/publication/70037989
ID  - 70037989
ER  -