# Rudolf Letzig
**Wikidata**: [Q94897023](https://www.wikidata.org/wiki/Q94897023)  
**Source**: https://4ort.xyz/entity/rudolf-letzig


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. [Source](http://kalliope-verbund.info/DE-611-BF-38329)
4. [Source](https://kalliope-verbund.info/DE-611-BF-38329)