# Karel Lotsy
**Wikidata**: [Q1729174](https://www.wikidata.org/wiki/Q1729174)  
**Source**: https://4ort.xyz/entity/karel-lotsy


## References

1. [Source](https://www.nationaalarchief.nl/onderzoeken/archief/2.13.04/invnr/769/file/NL-HaNA_2.13.04_769_0011?eadID=2.13.04&unitID=769&query=)
2. [Source](https://www.nationaalarchief.nl/onderzoeken/archief/2.02.32/invnr/894ED.7/file/00104896.PDF)
3. Integrated Authority File
4. Biografisch Portaal
5. GeneaStar
6. Virtual International Authority File