# Frederick Urbach
**Wikidata**: [Q112371121](https://www.wikidata.org/wiki/Q112371121)  
**Source**: https://4ort.xyz/entity/frederick-urbach


## References

1. Prabook
2. IdRef
3. Czech National Authority Database
4. Virtual International Authority File
5. National Library of Israel Names and Subjects Authority File
6. CiNii Research
7. NUKAT