# Karl Thumser
**Wikidata**: [Q94849873](https://www.wikidata.org/wiki/Q94849873)  
**Source**: https://4ort.xyz/entity/karl-thumser


## References

1. [Prager Tagblatt](http://anno.onb.ac.at/cgi-content/anno?aid=ptb&datum=19130902&query=%22Thumser%22&ref=anno-search&seite=1)
2. [Collection of Registry Books at Prague City Archives](http://katalog.ahmp.cz/pragapublica/permalink?xid=AC3E7C2ECDFA4E37AF55E7B795F3C7CF&scan=64#scan64)
3. Catalog of the German National Library
4. Virtual International Authority File