# Karl Ludolf Schaefer

> physiologist

**Wikidata**: [Q55846237](https://www.wikidata.org/wiki/Q55846237)  
**Source**: https://4ort.xyz/entity/karl-ludolf-schaefer


## References

1. Integrated Authority File
2. Czech National Authority Database
3. Deutsche Biographie
4. NUKAT
5. National Library of Portugal
6. datos.bne.es