# Polycarp Friedrich Schacher
**Wikidata**: [Q18223839](https://www.wikidata.org/wiki/Q18223839)  
**Source**: https://4ort.xyz/entity/polycarp-friedrich-schacher


## References

1. Integrated Authority File
2. Virtual International Authority File
3. MAK
4. [Source](https://www.leopoldina.org/fileadmin/redaktion/Publikationen/Acta_Historica/2013_Leopoldina_AHL_60.pdf)
5. CERL Thesaurus