Unlinked author page transcluding linked reference template

SQL

SELECT authorpage.page_title, templatepage.page_title
FROM page authorpage
JOIN categorylinks authorcat ON authorcat.cl_from = authorpage.page_id
JOIN templatelinks ON templatelinks.tl_from = authorpage.page_id
JOIN linktarget ON linktarget.lt_id = templatelinks.tl_target_id
JOIN page templatepage ON templatepage.page_title = linktarget.lt_title
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
AND linktarget.lt_namespace = 10
AND templatepage.page_namespace = 10
LIMIT 5

SQL

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