# Otto Cramer
**Wikidata**: [Q107551669](https://www.wikidata.org/wiki/Q107551669)  
**Source**: https://4ort.xyz/entity/otto-cramer


## References

1. Biografisch Portaal
2. RKDartists
3. [Source](https://hdl.handle.net/21.12123/5927)
4. [Source](http://beeldbankwo2.nl/nl/beelden/detail/db6526b2-025a-11e7-904b-d89d6717b464/media/b66006ba-fd8d-5097-527e-ae96323495a7)