SQL
AخA
SELECT authorpage.page_id
FROM page authorpage
JOIN categorylinks authorcat ON authorcat.cl_from = authorpage.page_id
WHERE authorpage.page_namespace = 0
AND authorcat.cl_to = "Taxon_authorities"
AND authorpage.page_id NOT IN (SELECT pp_page FROM page_props WHERE pp_propname = "wikibase_item")
AND authorpage.page_is_redirect = 0
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