# David Butler

> water researcher

**Wikidata**: [Q56797777](https://www.wikidata.org/wiki/Q56797777)  
**Source**: https://4ort.xyz/entity/david-butler-q56797777


## References

1. Czech National Authority Database
2. BnF authorities
3. SHARE Catalogue
4. Virtual International Authority File
5. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0001-5515-3416/external-identifiers/967096)
6. National Library of Israel Names and Subjects Authority File