query: SELECT DISTINCT
  	?title
  	?item	?itemLabel	?itemDescription
  	?item2 	?item2Label	?item2Description
  WHERE
  {
    	{ ?item wdt:P31 wd:Q11424 . } UNION { ?item wdt:P31 wd:Q506240 . } UNION { ?item wdt:P31 wd:Q226730 . } UNION { ?item wdt:P31 wd:Q20667187 . }  
  	?item wdt:P364 wd:Q188 .
  	OPTIONAL { ?sitelink schema:about ?item . ?sitelink schema:inLanguage ?lang .  } . 
  	FILTER NOT EXISTS { ?wfr schema:about ?item . ?wfr schema:inLanguage "de" } 
    	?item rdfs:label ?title . FILTER(lang(?title)="de")
  	# ?item2 wdt:P364 wd:Q188 .
    	?item2 rdfs:label ?title . 
    	FILTER(		?item != ?item2 && str(?item) < str(?item2) )
  	FILTER NOT EXISTS {?item2 wdt:P31 ?t . VALUES ?t { wd:Q4167410 wd:Q12308941 wd:Q5 wd:Q21191270 wd:Q571 wd:Q8261 wd:Q1344 wd:Q25379 wd:Q169930 wd:Q482994 } } 
    	SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
  }
  ORDER BY ?itemDescription ?title ?item2Description 