# Heinrich Gräfenstein

> photographer

**Wikidata**: [Q88536419](https://www.wikidata.org/wiki/Q88536419)  
**Source**: https://4ort.xyz/entity/heinrich-gr-fenstein


## References

1. archINFORM
2. [archINFORM](https://www.archinform.net/service/wd_aiarch.php)