# Judas Thaddäus Gerl

> Austrian opera singer (bass)

**Wikidata**: [Q17493604](https://www.wikidata.org/wiki/Q17493604)  
**Source**: https://4ort.xyz/entity/judas-thadd-us-gerl


## References

1. Virtual International Authority File
2. Integrated Authority File
3. International Standard Name Identifier
4. CERL Thesaurus
5. Encyclopedia of Brno History
6. [Source](http://www.musiklexikon.ac.at/ml/ml-beacon.txt)