# Constantin von Schönfeld
**Wikidata**: [Q60821536](https://www.wikidata.org/wiki/Q60821536)  
**Source**: https://4ort.xyz/entity/constantin-von-sch-nfeld


## References

1. Integrated Authority File
2. [Source](https://www.muzeumzatec.cz/konstantin-schonfeld.html)
3. Catalog of the German National Library
4. [Source](https://www.biographien.ac.at/oebl/oebl_S/Schoenfeld_Constantin_1844_1921.xml)