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Nicolas III (patriarche de Constantinople, 10..-1111) : Decretum de Celebratione Missae, Portal Biblissima. Permalink: https://biblissima.demo.logilab.fr/ark:/43093/oedataf1c7a5705a6617336403b6d516a3738b81d4d34d (seen 18/10/2026)
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