What is the name of the cap worn by Roman Catholic clergymen? - Quora
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Traditional Roman Catholic - The Traditional Headgear of the clergy: The "Biretta" -- worn by all TRADITIONAL priests, as it has been the "traditional" head-wear for the clergy, for nearly a thousand
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Religious dress - Roman Catholic, Vestments, Habits | Britannica
All Those Weird Liturgical Hats the Clergy Wear, Explained - In One Infographic!
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Vestments and Clerical Wear: Headgear – All Saints Anglican Church
Colors Worn By Cardinals and Bishops | Simply Catholic
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