# Ludwig Sigmund Tröndlin
**Wikidata**: [Q21553724](https://www.wikidata.org/wiki/Q21553724)  
**Source**: https://4ort.xyz/entity/ludwig-sigmund-tr-ndlin


## References

1. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb14966481w)
2. [Source](https://www.kulturarv.dk/kid/VisKunstner.do?kunstnerId=22775)
3. general catalog of BnF
4. Virtual International Authority File
5. Kunstindeks Danmark
6. BnF authorities