# Philipp Sonntag

> German author

**Wikidata**: [Q2087223](https://www.wikidata.org/wiki/Q2087223)  
**Source**: https://4ort.xyz/entity/philipp-sonntag-q2087223


## References

1. Integrated Authority File
2. general catalog of BnF
3. Virtual International Authority File
4. National Library of Israel Names and Subjects Authority File