# Ivan N. Undzhiev

> Bulgarian historian (1902-1979)

**Wikidata**: [Q12281262](https://www.wikidata.org/wiki/Q12281262)  
**Source**: https://4ort.xyz/entity/ivan-n-undzhiev


## References

1. BnF authorities
2. National Library of Israel Names and Subjects Authority File
3. Library of Congress Authorities
4. Virtual International Authority File