# Karl Olivier Beaulieu-Marconnay

> German author and historian (1811–1889)

**Wikidata**: [Q1733564](https://www.wikidata.org/wiki/Q1733564)  
**Source**: https://4ort.xyz/entity/karl-olivier-beaulieu-marconnay


## References

1. Integrated Authority File
2. Czech National Authority Database
3. Virtual International Authority File