# Johan Hora Siccama
**Wikidata**: [Q108824646](https://www.wikidata.org/wiki/Q108824646)  
**Source**: https://4ort.xyz/entity/johan-hora-siccama-q108824646


## References

1. Biografisch Portaal
2. Digital Library for Dutch Literature
3. Repertorium van ambtsdragers en ambtenaren
4. Genealogics
5. Virtual International Authority File
6. CERL Thesaurus
7. International Standard Name Identifier
8. Integrated Authority File