# Roger Zäch
**Wikidata**: [Q95337083](https://www.wikidata.org/wiki/Q95337083)  
**Source**: https://4ort.xyz/entity/roger-z-ch


## References

1. Czech National Authority Database
2. Catalog of the German National Library
3. University Archives St. Gallen (HSG)
4. Virtual International Authority File
5. CONOR.SI
6. National Library of Israel Names and Subjects Authority File