# Otto Ottsen

> German author (1869–1954)

**Wikidata**: [Q2040098](https://www.wikidata.org/wiki/Q2040098)  
**Source**: https://4ort.xyz/entity/otto-ottsen


## References

1. Integrated Authority File
2. [Source](https://kalliope-verbund.info/DE-611-BF-101999)
3. NUKAT
4. Virtual International Authority File
5. FactGrid