# Roberta Alexander

> American operatic soprano

**Wikidata**: [Q2159355](https://www.wikidata.org/wiki/Q2159355)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Roberta_Alexander)  
**Source**: https://4ort.xyz/entity/roberta-alexander


## References

1. Integrated Authority File
2. The Grove Book of Opera Singers
3. BnF authorities
4. [Source](https://www.staatsoper-berlin.de/de/kuenstler/)
5. Czech National Authority Database
6. International Standard Name Identifier
7. MusicBrainz
8. Virtual International Authority File
9. CiNii Research
10. [Sopraan Roberta Alexander overleden (1949-2025)](https://www.npoklassiek.nl/klassiek/podium/0f9a9548-77fc-4d67-8896-b5a43fa2454b/roberta-alexander-sopraan-van-internationaal-allure-1949-2025)
11. Freebase Data Dumps. 2013
12. BBC Things
13. National Library of Israel Names and Subjects Authority File