# Alexander Max Vallas

> writer and librettist

**Wikidata**: [Q98834958](https://www.wikidata.org/wiki/Q98834958)  
**Source**: https://4ort.xyz/entity/alexander-max-vallas


## References

1. Österreichisches Biographisches Lexikon 1815–1950
2. Integrated Authority File
3. Czech National Authority Database
4. Auschwitz Prisoners Database