# Karl Alexander Frege
**Wikidata**: [Q55850028](https://www.wikidata.org/wiki/Q55850028)  
**Source**: https://4ort.xyz/entity/karl-alexander-frege


## References

1. Integrated Authority File
2. [Source](https://www.deutsche-biographie.de/sfz17021.html)
3. Geni.com
4. MacTutor History of Mathematics archive
5. Catalog of the German National Library
6. Deutsche Biographie
7. IdRef