# Heinz Umrath
**Wikidata**: [Q94900676](https://www.wikidata.org/wiki/Q94900676)  
**Source**: https://4ort.xyz/entity/heinz-umrath


## References

1. [Source](https://archief.amsterdam/indexen/deeds/985333f0-066d-56a3-e053-b784100ade19?person=985333f0-066e-56a3-e053-b784100ade19)
2. Integrated Authority File
3. Catalog of the German National Library
4. [Source](https://kalliope-verbund.info/DE-611-BF-111584)
5. [Source](https://resolver.kb.nl/resolve?urn=ABCDDD:010856972:mpeg21:a0184)