query: SELECT ?work ?workLabel ?geoloc ?collection ?collectionLabel ?instance_of ?instance_ofLabel ?location ?locationLabel WHERE {
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],nl". }
    ?work wdt:P170 wd:Q158840.
    ?work wdt:P195 ?collection.
    ?collection wdt:P625 ?geoloc.
    OPTIONAL { ?work wdt:P31 ?instance_of. }
    OPTIONAL {  }
    OPTIONAL { ?work wdt:P276 ?location. }
  }
  LIMIT 4000