# Arbeitsgemeinschaft Ostdeutscher Familienforscher
**Wikidata**: [Q28737550](https://www.wikidata.org/wiki/Q28737550)  
**Source**: https://4ort.xyz/entity/arbeitsgemeinschaft-ostdeutscher-familienforscher


## References

1. directory of German Library Codes
2. Czech National Authority Database
3. National Library of Israel Names and Subjects Authority File