# Johann George Mayr

> cartographer and topographer

**Wikidata**: [Q22951829](https://www.wikidata.org/wiki/Q22951829)  
**Source**: https://4ort.xyz/entity/johann-george-mayr


## References

1. Integrated Authority File
2. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb15367188t)
3. Virtual International Authority File
4. Mayr, Georg (BLKÖ)
5. [Österreichisches Biographisches Lexikon 1815–1950](https://www.biographien.ac.at/oebl/oebl_M/Maier_Johann-Georg_1800_1864.xml)