# Ronald G. Popperwell
**Wikidata**: [Q110041253](https://www.wikidata.org/wiki/Q110041253)  
**Source**: https://4ort.xyz/entity/ronald-g-popperwell


## References

1. Czech National Authority Database
2. BnF authorities
3. NUKAT
4. MAK
5. National Library of Israel Names and Subjects Authority File