# Hollenkamp & Co.
**Wikidata**: [Q110085219](https://www.wikidata.org/wiki/Q110085219)  
**Source**: https://4ort.xyz/entity/hollenkamp-co-


## References

1. [Source](https://amsterdamopdekaart.nl/1850-1940/Nieuwendijk/182-184)
2. [Source](https://parelsbreda.nl/webshop/curiosa/overig/vintage-hoge-hoed-h-hollenkamp-co/)
3. [Source](https://n2t.net/ark:/33862/collect/663608)
4. CollectieGelderland