query: SELECT
  	?item ?itemLabel
  	(CONCAT(strafter(replace(?itemLabel, " \\(.*\\)", ""), ","), " ", strbefore(?itemLabel, ",")) as ?name)
  	?article
  	(strafter(str(?item), "entity/") as ?QID)
  WHERE
  {
  	?item wdt:P1433 wd:Q16055052 .
    	?item wdt:P31 wd:Q19389637
    	OPTIONAL { ?item wdt:P921 ?subject }
  	FILTER(!BOUND(?subject)) 
    	SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
  	?article 	schema:about ?item
  	; 			schema:isPartOf	<https://en.wikisource.org/> .            
  }
  ORDER BY ?itemLabel