# Iša Popelka
**Wikidata**: [Q95175727](https://www.wikidata.org/wiki/Q95175727)  
**Source**: https://4ort.xyz/entity/i-a-popelka


## References

1. Czech National Authority Database
2. BnF authorities
3. Virtual International Authority File
4. Personal Authority Wikibase of the Czech Republic
5. Bibliography of the History of the Czech Lands