query: SELECT ?item WHERE {
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
    ?item wdt:P437 wd:Q24633474.
    OPTIONAL { ?item wdt:P31 ?instance_of. }
    OPTIONAL { ?item wdt:P407 ?language_of_work_or_name. }
    OPTIONAL { ?item wdt:P437 ?distribution. }
  }
  LIMIT 100