# Placidus Schärl
**Wikidata**: [Q94885140](https://www.wikidata.org/wiki/Q94885140)  
**Source**: https://4ort.xyz/entity/placidus-sch-rl


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. [Source](https://kalliope-verbund.info/DE-611-BF-8965)
4. CERL Thesaurus