# Joseph Alois von Crätz
**Wikidata**: [Q95336350](https://www.wikidata.org/wiki/Q95336350)  
**Source**: https://4ort.xyz/entity/joseph-alois-von-cr-tz


## References

1. Catalog of the German National Library
2. Virtual International Authority File
3. Czech National Authority Database
4. Provenio