# Oskar Posner
**Wikidata**: [Q11800466](https://www.wikidata.org/wiki/Q11800466)  
**Source**: https://4ort.xyz/entity/oskar-posner


## References

1. Czech National Authority Database
2. Students of the Universities of Prague 1882–1945
3. Integrated Authority File
4. Virtual International Authority File
5. CONOR.SI
6. National Library of Israel Names and Subjects Authority File
7. Bibliography of the History of the Czech Lands