# Franz Otto Koch

> German photographer and writer (1880–1942)

**Wikidata**: [Q114979470](https://www.wikidata.org/wiki/Q114979470)  
**Source**: https://4ort.xyz/entity/franz-otto-koch


## References

1. marriage registry of Berlin. 1915
2. [Source](https://www.iwm.org.uk/collections/item/object/205403417)
3. [Source](https://www.deutschefotothek.de/documents/kue/90069494)
4. Declarations of Intention for Citizenship (NAID 4713410). 1912
5. Berlin death register. 1927
6. [Source](https://www.rundbrief-fotografie.de/application/files/1814/8225/0066/RF91.pdf)
7. [Source](http://data.onb.ac.at/dtl/4518339)