# Lone Koppel

> Danish opera singer (soprano).

**Wikidata**: [Q4959521](https://www.wikidata.org/wiki/Q4959521)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lone_Koppel)  
**Source**: https://4ort.xyz/entity/lone-koppel


## References

1. Freebase Data Dumps
2. BnF authorities
3. Dansk Biografisk Leksikon, 3rd edition
4. Kongelig Dansk Hof- og Statskalender. 2008
5. general catalog of BnF
6. Virtual International Authority File
7. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
8. CiNii Research
9. National Library of Israel Names and Subjects Authority File