# Martha Liefmann
**Wikidata**: [Q94688075](https://www.wikidata.org/wiki/Q94688075)  
**Source**: https://4ort.xyz/entity/martha-liefmann


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. Virtual International Authority File
4. Faceted Application of Subject Terminology
5. [Source](https://kalliope-verbund.info/DE-611-BF-117167)