# Wilhelm August Spengler
**Wikidata**: [Q115616598](https://www.wikidata.org/wiki/Q115616598)  
**Source**: https://4ort.xyz/entity/wilhelm-august-spengler


## References

1. [Nederland's Patriciaat](https://juchtervanbergenquast.wordpress.com/wp-content/uploads/2013/07/32_1946.pdf)
2. Repertorium van Nederlandse kaartmakers
3. [Source](https://inter-antiquariaat.nl/antiek/zeldzame-kaarten/kaarten-wereld/aruba-spengler-raders-1825/)
4. [Source](https://www.openarchieven.nl/bhi:d925029c-4628-11e3-a747-d206bceb4d38/)
5. [Source](https://coleccion.aw/show/?BNA-DIG-MAPA-SPENGLER-RADERS-1825)
6. [Source](https://www.nationaalarchief.nl/onderzoeken/archief/4.OBK)