# Belogradchik Observatory
**Wikidata**: [Q3658227](https://www.wikidata.org/wiki/Q3658227)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Belogradchik_Observatory)  
**Source**: https://4ort.xyz/entity/belogradchik-observatory


## References

1. Freebase Data Dumps. 2013