# Jens Christian Nielsen

> Danish entomologist (1881-1918)

**Wikidata**: [Q99299894](https://www.wikidata.org/wiki/Q99299894)  
**Source**: https://4ort.xyz/entity/jens-christian-nielsen


## References

1. Biographies of the Entomologists of the World
2. Open Library
3. Biodiversity Heritage Library
4. Alvin
5. [Source](https://openlibrary.org/works/OL6397662A)
6. [Source](https://www.biodiversitylibrary.org/creator/8005)
7. [Source](http://sdei.senckenberg.de/biographies/information.php?id=11158)
8. [Source](http://www.alvin-portal.org/alvin/view.jsf?pid=alvin-person%3A11516)