# Theodor Bertram

> German opera singer (1869–1907)

**Wikidata**: [Q5574504](https://www.wikidata.org/wiki/Q5574504)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Theodor_Bertram)  
**Source**: https://4ort.xyz/entity/theodor-bertram


## References

1. Integrated Authority File
2. museum-digital
3. Czech National Authority Database
4. Virtual International Authority File
5. MusicBrainz
6. [Source](http://www.operone.de/repro/reprob.php?seite=8)
7. MAK