# Erna Sack

> German singer (1898-1972)

**Wikidata**: [Q72186](https://www.wikidata.org/wiki/Q72186)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Erna_Sack)  
**Source**: https://4ort.xyz/entity/erna-sack


## References

1. Integrated Authority File
2. BnF authorities
3. International Standard Name Identifier
4. MusicBrainz
5. SNAC
6. Find a Grave
7. Discogs
8. FemBio database
9. IMDb
10. Freebase Data Dumps. 2013
11. Virtual International Authority File
12. CONOR.SI
13. The Movie Database
14. [Source](https://mix-n-match.toolforge.org/#/entry/63766994)
15. National Library of Israel Names and Subjects Authority File
16. performing-arts.ch