# Rudolf Nicolai
**Wikidata**: [Q55767961](https://www.wikidata.org/wiki/Q55767961)  
**Source**: https://4ort.xyz/entity/rudolf-nicolai


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. [Source](https://kalliope-verbund.info/DE-611-BF-124644)
4. [Source](http://saebi.isgv.de/gnd/142542407)
5. Virtual International Authority File