# Theodor Schäffer
**Wikidata**: [Q20243137](https://www.wikidata.org/wiki/Q20243137)  
**Source**: https://4ort.xyz/entity/theodor-sch-ffer


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. [Source](https://www.lagis-hessen.de/en/subjects/rsrec/sn/bio/register/person/entry/schaeffer%252C%2Btheodor%252A%2Bphilipp%2Bludwig)
4. Integrated Authority File