# Ralph Arnold

> American geologist (1875-1961)

**Wikidata**: [Q64913776](https://www.wikidata.org/wiki/Q64913776)  
**Source**: https://4ort.xyz/entity/ralph-arnold-q64913776


## References

1. Prabook
2. IdRef
3. Library of Congress Authorities
4. Virtual International Authority File
5. CiNii Research
6. Biodiversity Heritage Library