# Karl J. F. Umlauf

> Austrian musician and composer

**Wikidata**: [Q94987604](https://www.wikidata.org/wiki/Q94987604)  
**Source**: https://4ort.xyz/entity/karl-j-f-umlauf


## References

1. [Source](https://data.matricula-online.eu/de/oesterreich/wien/baden-st-stephan/01-09/?pg=253)
2. [Source](https://anno.onb.ac.at/cgi-content/anno?aid=bzt&datum=19131101&query=%22umlauf%22+%22geburtshaus%22&ref=anno-search&seite=4)
3. Integrated Authority File
4. Czech National Authority Database
5. Biographisches Lexikon des Kaiserthums Oesterreich
6. [Source](https://anno.onb.ac.at/cgi-content/anno?aid=iwe&datum=19020215&query=%22karl+umlauf%22&ref=anno-search&seite=12)
7. [Illustrirtes Wiener Extrablatt. 1902](https://anno.onb.ac.at/cgi-content/anno?aid=iwe&datum=19020215&query=%22karl+umlauf%22&ref=anno-search&seite=12)
8. [Source](https://anno.onb.ac.at/cgi-content/anno?aid=apr&datum=18740328&query=%22caroline+hasenhut%22&ref=anno-search&seite=8)