# Michael Liefmann
**Wikidata**: [Q1176687](https://www.wikidata.org/wiki/Q1176687)  
**Source**: https://4ort.xyz/entity/michael-liefmann


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Virtual International Authority File
4. CERL Thesaurus
5. FactGrid