# Charles W. O'Brien

> American entomologist

**Wikidata**: [Q22106544](https://www.wikidata.org/wiki/Q22106544)  
**Source**: https://4ort.xyz/entity/charles-w-o-brien


## References

1. Bionomia
2. CiNii Research
3. [Source](https://github.com/nfranz/Presentations/blob/master/Charles_W_OBrien_Memorial_Slideshow_August_20_2019.pdf)
4. [Source](https://www.curculionoidea.org/in-memoriam/charles-w-obrien)
5. National Library of Israel Names and Subjects Authority File
6. Biodiversity Heritage Library
7. [Bionomia](https://bionomia.net/dataset/f934f8e2-32ca-46a7-b2f8-b032a4740454)
8. [Bionomia](https://bionomia.net/dataset/7e380070-f762-11e1-a439-00145eb45e9a)
9. [Bionomia](https://bionomia.net/dataset/821cc27a-e3bb-4bc5-ac34-89ada245069d)
10. [Bionomia](https://www.gbif.org/dataset/07a54454-87c7-4e1e-b2ba-88a9d98d534b)
11. [Bionomia](https://bionomia.net/dataset/b929f23d-290f-4e85-8f17-764c55b3b284)