# Karl Theodor Zingeler
**Wikidata**: [Q19963721](https://www.wikidata.org/wiki/Q19963721)  
**Source**: https://4ort.xyz/entity/karl-theodor-zingeler


## References

1. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb105812683)
2. Integrated Authority File
3. general catalog of BnF
4. Virtual International Authority File
5. BnF authorities
6. NUKAT
7. MAK