# Sjeuf Felder

> Dutch geologist (1928-2009)

**Wikidata**: [Q70204250](https://www.wikidata.org/wiki/Q70204250)  
**Source**: https://4ort.xyz/entity/sjeuf-felder


## References

1. [Source](http://natuurtijdschriften.nl/download?type=document;docid=405289)
2. [Source](https://l1.nl/amateurgeoloog-felder-overleden-97878)
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. [Source](https://www.genealogieonline.nl/stamboom-felder-hamers/I551.php)
5. [Source](http://bodelier.tripod.com/family_tree.html)
6. [Source](https://docplayer.nl/38378991-Natuikhistorisch-maandblad.html)