# Harald Appelboom
**Wikidata**: [Q5558279](https://www.wikidata.org/wiki/Q5558279)  
**Source**: https://4ort.xyz/entity/harald-appelboom


## References

1. [Dictionary of Swedish National Biography](https://sok.riksarkivet.se/Sbl/Presentation.aspx?id=18751)
2. Q110246568
3. RKDartists
4. Virtual International Authority File
5. CERL Thesaurus
6. Digital Library for Dutch Literature
7. Early Modern Letters Online
8. ECARTICO