# Jacob Oser
**Wikidata**: [Q122650358](https://www.wikidata.org/wiki/Q122650358)  
**Source**: https://4ort.xyz/entity/jacob-oser


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. SHARE Catalogue
4. National Library of Israel Names and Subjects Authority File
5. Catalogue of the Library and Information Center of the University of Macedonia
6. NUKAT
7. MAK
8. Catalogue B of the Library of the Piraeus Bank Group Cultural Foundation