# Johann von Helferich

> German economist (1817-1892)

**Wikidata**: [Q5798542](https://www.wikidata.org/wiki/Q5798542)  
**Source**: https://4ort.xyz/entity/johann-von-helferich


## References

1. [Google Books](https://books.google.com/books?id=k0dJAQAAMAAJ)
2. Czech National Authority Database
3. Mathematics Genealogy Project
4. Virtual International Authority File
5. CiNii Research
6. [Source](https://www.deutsche-biographie.de/sfz29474.html)
7. [Google Books](https://books.google.com/books?id=D0MhAQAAIAAJ)
8. CONOR.SI