# Karel Martin Schwarz
**Wikidata**: [Q60822005](https://www.wikidata.org/wiki/Q60822005)  
**Source**: https://4ort.xyz/entity/karel-martin-schwarz


## References

1. Czech National Authority Database
2. [Olomouc City Library regional database](https://tritius.kmol.cz/authority/864045)
3. [Collection of Registry Books at Prague City Archives](http://katalog.ahmp.cz/pragapublica/permalink?xid=0BB18A3D47654C42B86D3888605E81CB&scan=44#scan44)
4. Catalog of the German National Library
5. [Source](https://www.biographien.ac.at/oebl/oebl_S/Schwarz_Karel-Martin_1849_1907.xml)