query: SELECT ?item ?itemLabel ?instanceLabel WHERE {
    ?item wdt:P31 ?instance.
    ?item wdt:P291 wd:Q1852569.
    OPTIONAL { ?item wdt:P577 ?publication_date }.
    SERVICE wikibase:label { bd:serviceParam wikibase:language "cs,en". }
  } ORDER BY DESC(?instanceLabel) ?publication_date