# Hjalmar Ekström
**Wikidata**: [Q5707595](https://www.wikidata.org/wiki/Q5707595)  
**Source**: https://4ort.xyz/entity/hjalmar-ekstr-m


## References

1. BnF authorities
2. [Source](https://runeberg.org/authors/ekstrhja.html)
3. general catalog of BnF
4. Virtual International Authority File
5. [BnF authorities](http://data.bnf.fr/ark:/12148/cb167121512)
6. [LIBRIS. 2018](https://libris.kb.se/katalogisering/fcrttscz1k16ngg)