# Q28734181
**Wikidata**: [Q28734181](https://www.wikidata.org/wiki/Q28734181)  
**Source**: https://4ort.xyz/entity/q28734181


## References

1. directory of German Library Codes
2. [Source](https://www.archivesportaleurope.net/directory/-/dir/ai/code/DE-Gp2)