# Friedrich III. von Plankenfels
**Wikidata**: [Q1459972](https://www.wikidata.org/wiki/Q1459972)  
**Source**: https://4ort.xyz/entity/friedrich-iii-von-plankenfels


## References

1. Catholic-Hierarchy.org
2. Integrated Authority File
3. CERL Thesaurus
4. HMML Authority File