# Petrus Fradelius
**Wikidata**: [Q94909733](https://www.wikidata.org/wiki/Q94909733)  
**Source**: https://4ort.xyz/entity/petrus-fradelius


## References

1. Catalog of the German National Library
2. Biographical Dictionary of the History of the Czech Lands
3. Czech National Authority Database
4. CERL Thesaurus