# Olga Spevak
**Wikidata**: [Q62560483](https://www.wikidata.org/wiki/Q62560483)  
**Source**: https://4ort.xyz/entity/olga-spevak


## References

1. Czech National Authority Database
2. BnF authorities
3. [Source](https://www.theses.fr/2001PA040054)
4. Virtual International Authority File
5. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
6. Persée
7. [Source](https://www.ae-info.org/ae/User/Spevak_Olga)
8. Catalogue of the Library of the Pontifical University of the Holy Cross
9. VIAF ID
10. Bibliography of the History of the Czech Lands
11. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-0396674-Spevakova-Olga-1969)