# Placidus Bernhard Heider

> Austrian philosopher

**Wikidata**: [Q113377066](https://www.wikidata.org/wiki/Q113377066)  
**Source**: https://4ort.xyz/entity/placidus-bernhard-heider


## References

1. Prabook
2. IdRef
3. Bibliothèque nationale de France
4. Integrated Authority File
5. [Source](https://ulmer-denkanstoesse.de/placidus-heider/)
6. Virtual International Authority File
7. Index Theologicus