query: SELECT (SAMPLE(?work) AS ?item) (COUNT(DISTINCT ?work) AS ?count) WHERE {
    ?work wdt:P50 ?author.
        { ?author wdt:P108 / wdt:P361* wd:Q213439 .}
      UNION
      { ?author wdt:P463 / wdt:P361* wd:Q213439 .}
      UNION
      { ?author wdt:P1416 / wdt:P361* wd:Q213439 .}
  
    MINUS {?work wdt:P2093 []}
  }
  GROUP BY ?item ?count