# Olga Kovaleva

> Soviet opera singer (1881–1962)

**Wikidata**: [Q4225636](https://www.wikidata.org/wiki/Q4225636)  
**Source**: https://4ort.xyz/entity/olga-kovaleva


## References

1. Great Soviet Encyclopedia (1969–1978)
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
3. Integrated Authority File