# Sigurd Christian Ylvisaker

> (1884-1959)

**Wikidata**: [Q55769945](https://www.wikidata.org/wiki/Q55769945)  
**Source**: https://4ort.xyz/entity/sigurd-christian-ylvisaker


## References

1. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
2. Faceted Application of Subject Terminology
3. VcBA (identifier)
4. NUKAT
5. Virtual International Authority File
6. National Library of Israel Names and Subjects Authority File