# Ulf S. Graupner

> German author and illustrator

**Wikidata**: [Q2474865](https://www.wikidata.org/wiki/Q2474865)  
**Source**: https://4ort.xyz/entity/ulf-s-graupner


## References

1. Integrated Authority File
2. [Source](https://www.cross-cult.de/titel/das-upgrade.html?titel_medium=9)
3. Virtual International Authority File
4. ADAGP directory