# Sylvester Birngruber
**Wikidata**: [Q22570128](https://www.wikidata.org/wiki/Q22570128)  
**Source**: https://4ort.xyz/entity/sylvester-birngruber


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. [Source](http://www.orden-online.de/wissen/b/birngruber-sylvester/)