# Otto Gráb
**Wikidata**: [Q95179906](https://www.wikidata.org/wiki/Q95179906)  
**Source**: https://4ort.xyz/entity/otto-gr-b


## References

1. Czech National Authority Database
2. Database of the Military Historical Archive
3. Students of the Universities of Prague 1882–1945
4. [regional database of the Pilsen City Library](https://tritius.plzen.eu/authority/132365)
5. Virtual International Authority File