# Otto Sjögren

> Swedish geographer

**Wikidata**: [Q6178619](https://www.wikidata.org/wiki/Q6178619)  
**Source**: https://4ort.xyz/entity/otto-sj-gren


## References

1. [Source](https://runeberg.org/vemarvem/sthlm45/0788.html)
2. [Nationalencyklopedin](https://www.ne.se/uppslagsverk/encyklopedi/l%C3%A5ng/otto-sj%C3%B6gren)
3. Virtual International Authority File
4. Library of Congress Authorities
5. [Source](https://runeberg.org/vemardet/1918/0354.html)
6. [Source](https://runeberg.org/vemardet/1925/0691.html)
7. [Source](https://runeberg.org/vemardet/1933/0771.html)
8. [Source](https://runeberg.org/vemardet/1939/0759.html)
9. [Source](https://runeberg.org/vemardet/1943/0750.html)
10. [Source](https://runeberg.org/vemardet/1945/0977.html)
11. [Source](https://runeberg.org/vemardet/1953/0982.html)
12. [LIBRIS. 2018](https://libris.kb.se/katalogisering/pm135wb71l6gv7t)