# Josef Langer

> German astronomer

**Wikidata**: [Q1705108](https://www.wikidata.org/wiki/Q1705108)  
**Source**: https://4ort.xyz/entity/josef-langer


## References

1. Czech National Authority Database
2. Biographisches Lexikon des Kaiserthums Oesterreich
3. Langer, Athanasius (BLKÖ)
4. Virtual International Authority File