# Isfrid Kayser

> German organist and religious servant

**Wikidata**: [Q1345147](https://www.wikidata.org/wiki/Q1345147)  
**Source**: https://4ort.xyz/entity/isfrid-kayser


## References

1. Integrated Authority File
2. Czech National Authority Database
3. general catalog of BnF
4. Virtual International Authority File
5. MusicBrainz
6. International Music Score Library Project
7. BnF authorities
8. HMML Authority File