# Josef Isaak Kobak
**Wikidata**: [Q55915249](https://www.wikidata.org/wiki/Q55915249)  
**Source**: https://4ort.xyz/entity/josef-isaak-kobak


## References

1. Integrated Authority File
2. CERL Thesaurus
3. Catalog of the German National Library
4. Biographisches Portal der Rabbiner
5. LIBRIS
6. NUKAT
7. Virtual International Authority File
8. FactGrid