# Waldemar Johnsen

> Norwegian opera singer (1911–1969)

**Wikidata**: [Q12010331](https://www.wikidata.org/wiki/Q12010331)  
**Source**: https://4ort.xyz/entity/waldemar-johnsen


## References

1. [Source](https://www.digitalarkivet.no/view/387/pc00000001749657)
2. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb138290534)
3. general catalog of BnF
4. Virtual International Authority File
5. MusicBrainz
6. Discogs
7. Great Norwegian Encyclopedia
8. BnF authorities