Rotterdamse vlag https://data.muziekschatten.nl/som/26f27afb7994a0facf942c630bf9c9f0 an entity of type: CreativeWork schema:name Rotterdamse vlag schema:keywords Rotterdamse vlag rdf:type schema:CreativeWork schema:isPartOf som:297007 som:312401 data from the linked data cloud