Gustav-Ludwig Alsen

Sources

The numbers on this page point here. Each one links to the record it came from.

1. 1
   WikidataGustav-Ludwig Alsen on Wikidata
2. 2
   WikidataGustav-Ludwig Alsen: Founded Alsen, on Wikidata
3. 3
   WikidataGustav-Ludwig Alsen: occupation, on Wikidata
4. 4
   WikidataGustav-Ludwig Alsen: place of birth, on Wikidata
5. 5
   WikidataAlsen, Founder