# Q28737520
**Wikidata**: [Q28737520](https://www.wikidata.org/wiki/Q28737520)  
**Source**: https://4ort.xyz/entity/q28737520


## References

1. directory of German Library Codes
2. [Source](https://www.archivesportaleurope.net/directory/-/dir/ai/code/DE-2125)