# Ferdinand Tonder
**Wikidata**: [Q41074349](https://www.wikidata.org/wiki/Q41074349)  
**Source**: https://4ort.xyz/entity/ferdinand-tonder


## References

1. Czech National Authority Database
2. [Collection of Registry Books at Prague City Archives](https://katalog.ahmp.cz/pragapublica/permalink?xid=fec408333c754fc99ee05a3e2344be62&scan=74#scan74)
3. Virtual International Authority File