# Ingo Schaefer
**Wikidata**: [Q94512408](https://www.wikidata.org/wiki/Q94512408)  
**Source**: https://4ort.xyz/entity/ingo-schaefer


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Virtual International Authority File
4. Faceted Application of Subject Terminology
5. CiNii Research
6. NUKAT