query: SELECT ?item WHERE {
      ?item p:P4765/ps:P4765 ?downloadurl ;
            wdt:P31 wd:Q3305213 ;
            schema:dateModified ?modified ;
            wdt:P571 ?inception .
    FILTER (YEAR(?inception) > 1850)
    MINUS { ?item wdt:P170 [] } .
    } ORDER BY ?modified
  LIMIT 2000