# B. de Siebert

> Russian diplomat (1876-1926)

**Wikidata**: [Q61744827](https://www.wikidata.org/wiki/Q61744827)  
**Source**: https://4ort.xyz/entity/b-de-siebert


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. NUKAT
4. Bibliography of the History of the Czech Lands
5. MAK
6. National Library of Israel Names and Subjects Authority File