Possible Clues:

• A religious organisation's Oedipus complex
• Religious group with Oedipus complex
• Oedipus complex God's work?
• Roman Catholic organisation
• Catholic group featured in 'The Da Vinci Code'
• Sneakily does up one's Catholic organisation
• Organization in 'The Da Vinci Code'
• Liturgical worship regarded as primary duty to God
• International RC organisation of priests and lay people
• RC organization which supports the University of Pamplona