# four portrait heads

> Sandstone sculpture ensemble on the outside wall of the Swiss rifle museum in Bern, Switzerland

**Wikidata**: [Q67550908](https://www.wikidata.org/wiki/Q67550908)  
**Source**: https://4ort.xyz/entity/four-portrait-heads


## References

1. [Source](https://www.e-periodica.ch/digbib/view?pid=bwo-002:1939:29::1242#1242)
2. [Source](https://www.e-periodica.ch/digbib/view?pid=zgh-001:1990:52::67)
3. [Source](https://www.openstreetmap.org/relation/9493156)