# Ludwig III von Isenburg-Büdingen-Birstein
**Wikidata**: [Q26868993](https://www.wikidata.org/wiki/Q26868993)  
**Source**: https://4ort.xyz/entity/ludwig-iii-von-isenburg-b-dingen-birstein


## References

1. Catalog of the German National Library
2. CERL Thesaurus