Petroglyphs of Oregon
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Eugene
University of Oregon
1937.
|
| Cyfres: | University of Oregon monographs. Studies in Antrhopology
no.1 |
| Pynciau: |