# Christof Spengemann
**Wikidata**: [Q94125396](https://www.wikidata.org/wiki/Q94125396)  
**Source**: https://4ort.xyz/entity/christof-spengemann


## References

1. [Source](https://www.hannover-gis.de/GIS/index.action)
2. Integrated Authority File
3. Virtual International Authority File
4. Catalog of the German National Library
5. Faceted Application of Subject Terminology