-- Namespace 4: Wikipedia

SELECT page_title, CONCAT('Wikipedia:', pl_title) AS 'Links to'

FROM pagelinks

JOIN page ON page_id = pl_from

WHERE pl_from_namespace = 0

  AND pl_namespace = 4

  AND pl_title IN

    (SELECT page_title

     FROM page

     JOIN categorylinks ON page_id = cl_from

     WHERE page_namespace = 4

       AND cl_to IN (

-- From <https://petscan.wmflabs.org/?&categories=Wikipedia%20essays&depth=10&ns%5B14%5D=1&doit=> with 'Wikipedia_essays' added in manually

'Essay_header_templates','Essays_about_Wikipedian_fallacies','Essays_about_what_Wikipedia_is','Essays_by_Ritchie333','Humorous_Wikipedia_essays','Humorous_user_essays','Orphaned_Wikipedia_essays','Uncategorized_essays','Unsubmitted_Wikipedian_responses_to_RfA_Review','User_criteria_for_adminship','User_essays','User_essays_about_adminship','User_essays_on_BLP','User_essays_on_IRC','User_essays_on_civility','User_essays_on_deletion','User_essays_on_dispute_resolution','User_essays_on_style','WikiProject_India_essays','WikiProject_U.S._Roads_essays','WikiProject_advice','WikiProject_content_advice','WikiProject_notability_advice','WikiProject_style_advice','Wikipedia_behavioral_essays','Wikipedia_civility_essays','Wikipedia_competence_essays','Wikipedia_deletion_essays','Wikipedia_essay_templates','Wikipedia_essays','Wikipedia_essays_about_BLP','Wikipedia_essays_about_German','Wikipedia_essays_about_accessibility','Wikipedia_essays_about_administration','Wikipedia_essays_about_adminship','Wikipedia_essays_about_arbitration','Wikipedia_essays_about_article_formatting','Wikipedia_essays_about_building_the_encyclopedia','Wikipedia_essays_about_categorization','Wikipedia_essays_about_consensus','Wikipedia_essays_about_editing','Wikipedia_essays_about_experts_and_expertise','Wikipedia_essays_about_gender','Wikipedia_essays_about_infoboxes','Wikipedia_essays_about_lists','Wikipedia_essays_about_navigation','Wikipedia_essays_about_notability','Wikipedia_essays_about_original_research','Wikipedia_essays_about_redirecting','Wikipedia_essays_about_reliable_sources','Wikipedia_essays_about_stubs','Wikipedia_essays_about_style','Wikipedia_essays_about_templates','Wikipedia_essays_about_verification','Wikipedia_essays_and_information_pages_about_the_Manual_of_Style','Wikipedia_essays_explaining_processes','Wikipedia_essays_identifying_problems_and/or_solutions','Wikipedia_essays_introducing_or_defining_new_terms','Wikipedia_essays_outlining_goals','Wikipedia_essays_supporting_editor_endurance','Wikipedia_how-to_essays','Wikipedia_neutrality_essays','Wikipedia_style_guideline_proposals','Wikipedia_vandalism_essays','Wikipedia_warning_essays','Wikipedian_responses_to_RfA_Review'));

​