Joop Ridder

Sources

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

1. 1
   WikidataJoop Ridder on Wikidata
2. 2
   WikidataJoop Ridder: Founded Proforma, on Wikidata
3. 3
   WikidataJoop Ridder: occupation, on Wikidata
4. 4
   Wikidataoccupation, as reported by RKDartists
5. 5
   WikidataJoop Ridder: place of birth, on Wikidata
6. 6
   Wikidataplace of birth, as reported
7. 7
   WikidataJoop Ridder: LinkedIn, on Wikidata
8. 8
   WikidataProforma, Founder