# Karl Johann Konrad Michael Matthaei
**Wikidata**: [Q55134376](https://www.wikidata.org/wiki/Q55134376)  
**Source**: https://4ort.xyz/entity/karl-johann-konrad-michael-matthaei


## References

1. Integrated Authority File
2. [Source](https://www.deutsche-biographie.de/sfz59050.html)