# Greta von Haartman

> Finnish opera singer (1889–1948)

**Wikidata**: [Q11860681](https://www.wikidata.org/wiki/Q11860681)  
**Source**: https://4ort.xyz/entity/greta-von-haartman


## References

1. [Source](https://facebook.com/groups/709410852896325?view=permalink&id=756262228211187)