TY  - RPRT
TI  - Contributions to North American Ethnology, Volume V, Part II: On prehistoric trephining and cranial amulets
AU  - Robert Fletcher
AU  - John Wesley Powell
PY  - 1881
DO  - 10.3133/70039927
UR  - https://pubs.usgs.gov/publication/70039927
ID  - 70039927
ER  -