# Kristian Axel Heiberg
**Wikidata**: [Q5797254](https://www.wikidata.org/wiki/Q5797254)  
**Source**: https://4ort.xyz/entity/kristian-axel-heiberg


## References

1. Virtual International Authority File
2. Dansk Biografisk Leksikon
3. IdRef
4. LIBRIS. 2015