# Otto and Walter Senn
**Wikidata**: [Q19660021](https://www.wikidata.org/wiki/Q19660021)  
**Source**: https://4ort.xyz/entity/otto-and-walter-senn


## References

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