# Albert Ostertag
**Wikidata**: [Q55123244](https://www.wikidata.org/wiki/Q55123244)  
**Source**: https://4ort.xyz/entity/albert-ostertag


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. [Source](https://www.deutsche-biographie.de/sfz73937.html)
4. Faceted Application of Subject Terminology
5. Virtual International Authority File