# Fritz Haag
**Wikidata**: [Q90531266](https://www.wikidata.org/wiki/Q90531266)  
**Source**: https://4ort.xyz/entity/fritz-haag


## References

1. [Source](https://www.hpk.uni-hamburg.de/resolve/id/cph_person_00001872)
2. Virtual International Authority File
3. FactGrid