# Carl Efvergren
**Wikidata**: [Q41837074](https://www.wikidata.org/wiki/Q41837074)  
**Source**: https://4ort.xyz/entity/carl-efvergren


## References

1. [Source](https://runeberg.org/vemardet/1925/0176.html)
2. [Source](https://runeberg.org/vemardet/1933/0196.html)
3. [Source](https://runeberg.org/vemvardet/0053.html)
4. [LIBRIS. 2018](https://libris.kb.se/katalogisering/42gjlp1n0mzwng0)