# Johann Grütsch
**Wikidata**: [Q55194136](https://www.wikidata.org/wiki/Q55194136)  
**Source**: https://4ort.xyz/entity/johann-gr-tsch


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. Autoritats UB
4. National Library of Israel Names and Subjects Authority File
5. HMML Authority File