# Nikolaus Heyduck
**Wikidata**: [Q58624392](https://www.wikidata.org/wiki/Q58624392)  
**Source**: https://4ort.xyz/entity/nikolaus-heyduck


## References

1. Catalog of the German National Library
2. Virtual International Authority File
3. ADAGP directory
4. National Library of Israel Names and Subjects Authority File