# Sigrun Casper

> German author

**Wikidata**: [Q1768763](https://www.wikidata.org/wiki/Q1768763)  
**Source**: https://4ort.xyz/entity/sigrun-casper


## References

1. Integrated Authority File
2. ADAGP/CISAC membership list at 07/01/2019
3. Virtual International Authority File
4. WorldCat Entities
5. CONOR.SI
6. ADAGP directory