# George Frans Callenbach
**Wikidata**: [Q104543370](https://www.wikidata.org/wiki/Q104543370)  
**Source**: https://4ort.xyz/entity/george-frans-callenbach


## References

1. [Source](https://www.collectiegelderland.nl/object/5475d035-0931-59ef-a059-bb7fe688f132)
2. CollectieGelderland