# Heinrich Opitz
**Wikidata**: [Q94833853](https://www.wikidata.org/wiki/Q94833853)  
**Source**: https://4ort.xyz/entity/heinrich-opitz


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. Czech National Authority Database
4. [Österreichisches Biographisches Lexikon 1815–1950](https://www.biographien.ac.at/oebl/oebl_O/Opitz_Heinrich_1859_1910.xml)
5. Virtual International Authority File