# Ulbe Zwaga
**Wikidata**: [Q20605945](https://www.wikidata.org/wiki/Q20605945)  
**Source**: https://4ort.xyz/entity/ulbe-zwaga


## References

1. [AlleFriezen. 1907](https://allefriezen.nl/zoeken/deeds/9b35456c-09ce-11e5-ac43-073465fb6166)
2. [Delpher. 1985](https://resolver.kb.nl/resolve?urn=ddd:010565791:mpeg21:a0002)