# Otto Cyrén
**Wikidata**: [Q5614524](https://www.wikidata.org/wiki/Q5614524)  
**Source**: https://4ort.xyz/entity/otto-cyr-n


## References

1. Integrated Authority File
2. Virtual International Authority File
3. [Source](https://www.herbarien.uzh.ch/en/herbarien-zzt/sammler-details.html?id=8641)
4. [Source](https://runeberg.org/vemardet/1933/0164.html)
5. [Source](https://runeberg.org/vemardet/1939/0164.html)
6. [Source](https://runeberg.org/vemardet/1943/0163.html)
7. [Source](https://runeberg.org/vemarvem/sthlm45/0166.html)
8. [Source](https://runeberg.org/vemardet/1945/0219.html)
9. [LIBRIS. 2013](https://libris.kb.se/katalogisering/pm148rn74k8t48t)