# Zinaida Udalcova

> Soviet historian and byzantinist (1918–1987)

**Wikidata**: [Q4469268](https://www.wikidata.org/wiki/Q4469268)  
**Source**: https://4ort.xyz/entity/zinaida-udalcova


## References

1. Great Soviet Encyclopedia (1969–1978)
2. Virtual International Authority File
3. CiNii Research
4. CONOR.SI
5. National Library of Israel Names and Subjects Authority File
6. Bibliography of the History of the Czech Lands