# Otto Leonhardt
**Wikidata**: [Q55681837](https://www.wikidata.org/wiki/Q55681837)  
**Source**: https://4ort.xyz/entity/otto-leonhardt-q55681837


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Deutsche Biographie
4. [Source](https://kalliope-verbund.info/DE-611-BF-106453)