Training materials
Standard database or policy: Wikidata
and Authors: Donny Vrins or Egon Willighagen or Frédéric de Lamotte or Manuel Corpas or Richard Smith-Unna
Standard database or policy: Wikidata
and Authors: Donny Vrins or Egon Willighagen or Frédéric de Lamotte or Manuel Corpas or Richard Smith-Unna