# Udo Arnold

> German historian

**Wikidata**: [Q105869](https://www.wikidata.org/wiki/Q105869)  
**Source**: https://4ort.xyz/entity/udo-arnold


## References

1. Integrated Authority File
2. International Standard Name Identifier
3. Virtual International Authority File
4. CiNii Research
5. CONOR.SI
6. Bibliography of the History of the Czech Lands
7. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-0332961-Arnold-Udo-1940)