# Polykarp Leyser IV

> German academic

**Wikidata**: [Q109517](https://www.wikidata.org/wiki/Q109517)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Polykarp_Leyser_IV)  
**Source**: https://4ort.xyz/entity/polykarp-leyser-iv


## References

1. Integrated Authority File
2. BnF authorities
3. Leyser, Polykarp
4. International Standard Name Identifier
5. Virtual International Authority File
6. LIBRIS. 2012
7. FactGrid