# main building of the Old Observatory, Leiden

> university building and observatory in Leiden

**Wikidata**: [Q17336073](https://www.wikidata.org/wiki/Q17336073)  
**Source**: https://4ort.xyz/entity/main-building-of-the-old-observatory-leiden


## References

1. [Source](https://www.dbnl.org/tekst/sten009monu10_01/sten009monu10_01_0084.php)
2. Dutch National Monument List