# Alexander Duker
**Wikidata**: [Q101195655](https://www.wikidata.org/wiki/Q101195655)  
**Source**: https://4ort.xyz/entity/alexander-duker


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Virtual International Authority File
4. datos.bne.es
5. CERL Thesaurus
6. World Biographical Information System Online