Felix Happel

Sources

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

1. 1
   WikidataFelix Happel on Wikidata
2. 2
   WikidataFelix Happel: Founded Porterhouse Group, on Wikidata
3. 3
   WikidataFelix Happel: occupation, on Wikidata
4. 4
   WikidataPorterhouse Group, Founder