# Jacob Liefer

> German author

**Wikidata**: [Q1679196](https://www.wikidata.org/wiki/Q1679196)  
**Source**: https://4ort.xyz/entity/jacob-liefer


## References

1. general catalog of BnF
2. Virtual International Authority File
3. Integrated Authority File
4. Open Library
5. CERL Thesaurus
6. BnF authorities