Catholic Dictionary

Find accurate definitions of over 5,000 Catholic terms and phrases (including abbreviations). Based on Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.

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ACTA SANCTAE SEDIS

Monthly publication in Rome, but not officially by the Holy See, from 1865 to 1908. It contained the principal declarations of the Pope and the Roman congregations. In 1904, its contents were declared official and authentic. By the end of 1908, it was superseded by the Acta Apostolicae Sedis.