Johann Martin Kappus

Sources

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

1. 1
   WikidataJohann Martin Kappus on Wikidata
2. 2
   WikidataJohann Martin Kappus: Founded Kappus, on Wikidata
3. 3
   WikidataJohann Martin Kappus: occupation, on Wikidata
4. 4
   WikidataJohann Martin Kappus: citizenship, on Wikidata
5. 5
   WikidataKappus, Founder