# Otto Madsen
**Wikidata**: [Q109832678](https://www.wikidata.org/wiki/Q109832678)  
**Source**: https://4ort.xyz/entity/otto-madsen-q109832678


## References

1. Virtual International Authority File
2. Trove
3. NUKAT
4. MAK
5. Czech National Authority Database
6. [Source](https://danskforfatterleksikon.dk/1850/MOttoMadsenf1875.htm)
7. National Library of Israel Names and Subjects Authority File