# Adolf Schwarz

> esperantist

**Wikidata**: [Q23931606](https://www.wikidata.org/wiki/Q23931606)  
**Source**: https://4ort.xyz/entity/adolf-schwarz-q23931606


## References

1. Integrated Authority File
2. [Source](https://kalliope-verbund.info/DE-611-BF-104339)
3. Catalog of the German National Library
4. Virtual International Authority File